The carbon in coal, oil, and natural gas come from

Answers

Answer 1
There are three major forms of fossil fuels: coal, oil and natural gas. All three were formed many hundreds of millions of years ago before the time of the dinosaurs – hence the name fossil fuels. The age they were formed is called the Carboniferous Period. It was part of the Paleozoic Era.
Answer 2
the answer is the combustion of fossil fuels

Related Questions

The higher plant type that carries its seeds in cones is the ________.

Answers

The higher plant type that carries its seeds in cones is the gymnosperm. Any vascular plant that imitates by methods for an uncovered seed, or ovule—not at all like angiosperms, or blossoming plants, whose seeds are encased by develop ovaries, or organic products.

If a baby boy inherits a recessive allele from his mother, in which of the following circumstances would he most likely exhibit that recessive trait? (2 points)

a.The allele is X-linked.

b.His mother's father also exhibited the trait.

c.The allele skips a generation.

d.He inherited the dominant trait from his father.

Answers

a.The allele is X-linked

Women have two X chromosomes while men have one X and one Y.
In the case of a recessive mutation on the X chromosome passes from the mother to the baby boy, the boy will express the recessive allele. Even though it's recessive, and in allosomes both alleles need to be present, when it comes to this situation the boy only has one X chromosome so it's indifferent if the gene is recessive or dominant.

Answer:

The allele us X-linked

Explanation:

Walking ____ is a good exercise choice for individuals with leg and back problems.

Answers

Is this multiple choice because there could be several answers for this

How do environmental factors and genetic factors affect natural selection?

Answers

Environmental and Genetic factors are both incredibly complex structures, but all will create mutations of the species. The genetic variability created by mutations will be tested by natural selection, which can and will determine which characteristics are inherited in a population over time. 

Each primary bronchus enters a lung and branches into smaller​ ________.

Answers

branches into smaller bronchioles

Long, saturated fatty acid tails _____ lipid mobility and _____ membrane fluidity. enhance; increase reduce; increase enhance; maintain maintain; decrease reduce; decrease

Answers

reduce lipid mobility
decrease membrane fluidity

When fatty acid tails are saturated, it means that their conformation is perfectly straight becoming easy to compact more and more fatty acids, as they fit perfectly together, and therefore reducing lipid mobility. In turn, if lipid mobility is reduced, the membrane fluidity is decreased because the lipids are too "stiff" together.

Tina's left tibial pulse is graded as 2+. this finding is:

Answers

Tina's left tibial pulse is graded as 2+. This finding is normal. Pulses are graded on 4 point scale in which 4+ is a bounding pulse, sometimes visible, 3+ is bounding, full and brisk, easily palpable, 2+ is normal, average, slightly weak but palpable,1+ is weak, diminished and barely palpable, and 0 is absent. 

Carbohydrates, lipids, proteins and nucleic acids are considered _____________, which means they are large organic molecules.

A. Macromolecules

B. Micromolecules

C. Nanomites

D. Polar

Answers

A. Macromolecules
.
.
.

Carbohydrates, lipids, proteins and nucleic acids are considered Macromolecule which means they are large organic molecules.

Thus, A vast variety of both good and bad foods, including bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie, include carbohydrates.

They can take on various shapes as well. Starches, fibres, and sugars are the most prevalent and plentiful types.

Carbohydrate-rich foods are a crucial component of a balanced diet. The body receives glucose from carbohydrates, which is then transformed into energy for maintaining biological processes and engaging in physical activity.

Thus, Carbohydrates, lipids, proteins and nucleic acids are considered Macromolecule which means they are large organic molecules.

Learn more about Carbohydrates, refer to the link:

https://brainly.com/question/1558514

#SPJ3

Which of these is an example of recombination of atoms to form newer molecules?
Molding a wire of gold
Hammering a piece of iron
Tarnishing of a silver coin
Rolling of a sheet of aluminum

Answers

The correct option is C.
The recombination of atoms to form newer molecules is called chemical change. Tarnishing is a chemical change that occur when a metal lose luster as a result of exposure to moisture and water which results in a thing layer of corrosion which forms over the metal.

Answer: Option (c) is the correct answer.

Explanation:

When there is recombination of atoms to form newer molecules then it is called a chemical change.

For example, [tex]A-B + C-D \rightarrow A-C + B-D[/tex] is a chemical change.

Tarnishing of a silver coin is a chemical change which occurs when silver reacts with moisture in the air as a result silver loses its luster.

Thus, we can conclude that out of the given options tarnishing of a silver coin is an example of recombination of atoms to form newer molecules.

To ensure sound nutrition, the mother's diet during pregnancy should include:

Answers

an additional 25 grams of protein each day

Condition without pulse (loss of consciousness that occurs when the body cannot get the oxygen it needs to function -
e.g., choking, drowning, carbon monoxide poisoning, suffocation)

Answers

ASPHYXIA is the loss of consciousness that occur when the body can not get the oxygen it needs to function. Asphyxia can be caused by chocking, drowning, carbon dioxide poisoning and suffocation. Symptoms of asphyxia include: breathing difficulty, rapid pulse, high blood pressure, convulsion, cyanosis, etc. Treatments include: removal of foreign body, emergency resuscitation, cardio pulmonary resuscitation, etc.

What is the usual mode of stimulus transfer in neuron-to-neuron interactions?

Answers

The usual mode of stimulus transfer in neuron- to -neuron interactions is CHEMICAL SIGNALLING. One cell interacts or communicates with another cell through cell signally where signal molecules such as hormones carry the information. Neurotransmitters are the chemicals that transfer the signals from one neurons to another.

What substance is added during hydrolysis in order to break down food macromolecules? carbon dioxide amino acid oxygen water?

Answers

The answer should be water

Answer: Water

Explanation:

Hydrolysis is the process by which bond between the macromolecules splits by the addition of water. This process is catalysed is enzymes.

Most of the macromolecules like carbohydrates, protein, fat inside the human body is broken down by the help of water only.

WE can say that polymer is broken into monomer by the help of water.

Thus, the correct answer is Water.

Air trapped in the fur of the caribou’s coat functions as _____. insect repellant camouflage insulation waterproofing

Answers

Air trapped in the fur of the caribou's coat functions as Insulation.

Answer: Insulation.

Explanation: Insulation can be defined as the protection against the changing or different environment. Insulation is usually seen the animals living in polar regions.

The fur helps in sustaining the internal heat of the body to remain inside the body without being lost outside due to the colder environment outside.

The Eskimos experience one of the world's extreme winter climates and in this kind of a situation caribou's coat provides insulation from cold.

At which part of its orbit is the planet traveling at the greatest speed?

A
B
C
D

Answers

The answer would be D

Answer:

d

Explanation:

Which enzyme is responsible for the majority of the digestions of lipids?

Answers

The digestion of certain fats begins in the mouth, where short-chain lipids break down into diglycerides because of lingual lipase. The fat present in the small intestine stimulates the release of lipase from the pancreas, and bile from the liver enables the breakdown of fats into fatty acids.

Pancreatic lipase is the primary enzyme responsible for lipid digestion, working mainly in the small intestine to break down triglycerides into fatty acids and monoglycerides.

The enzyme responsible for the majority of the digestion of lipids is pancreatic lipase. It operates primarily in the small intestine, where it systematically breaks down each triglyceride molecule into two free fatty acids and a monoglyceride. This process is facilitated by bile, which is secreted by the liver and works to emulsify large globules of food lipids into smaller micelles, providing a larger surface area for the pancreatic lipase to act upon. Lipid digestion begins to some extent in the mouth with lingual lipase, but this is minor in comparison to the activity in the small intestine.

Active transport occurs in cells, for example, when the Na-K pump is at work. Any process that involves active transport most often involves the A) movement of molecules without any predictable pattern. B) movement of molecules from a lower concentration to a higher concentration. C) movement of molecules from a higher concentration to a lower concentration. Eliminate D) movement of molecules from a lower to higher concentration and then back to the point of origin.

Answers

B) the movement of molecules from a lower concentration to a higher concentration 

The flow of energy from an ecosystem to an organism and from one organism to another is called ______

Answers

Another is called: Energy Flow

the rusty crayfish is harmful to Native species of crayfish because it clear cut the bottom of waterways leaving native species without a food supply

T or F

Answers

I think its true hope this helps.

Answer: True

Explanation:

An invasive species is the one which competes with the members of the native species for resources when introduced to a new ecosystem.

According to the given situation, a rusty crayfish is harmful to the native species of crayfish. This tells us that rusty crayfish is invasive for native species of crayfish. Thus the native species left without food as there exists competition for food.

Some investigators concluded that the first organisms consisted of rna rather than dna. what is importance of this "rna world" period?

Answers

It was the bridge from simple chemistry and DNA - based cells.

In the cells of some organisms, mitosis occurs without cytokinesis. this results in ________.
a. cell cycles lacking an s phase
b. cells lacking nuclei
c. cells that are unusually small
d. cells with more than one nucleus

Answers

In the cells of some organisms, mitosis occurs without cytokinesis. this results in THE CELLs WITH MORE THAN ONE NUCLEUS. After the DNA duplication in the cell, mitosis occurs during which two chromosome sets are separated by the formation of two nuclei. Lack of mitosis would lead to lack of cytokinesis ie., cytoplasm and nuclei will not e divided and would be present in a single cell itself.
Final answer:

When mitosis occurs without cytokinesis, it leads to cells with more than one nucleus. This results from the genetic material being divided without the subsequent division of the cell's cytoplasm, possibly leading to larger, abnormal cells that can be indicative of cancer.

Explanation:

In the cells of some organisms, when mitosis occurs without cytokinesis, the resulting condition is cells with more than one nucleus. This happens because the cell divides its genetic material during mitosis but fails to complete the process by not undergoing cytokinesis, which is the division of cytoplasm to form two separate cells. This cell cycle aberration can lead to larger cells containing multiple nuclei, which is often an unwanted phenomenon that could indicate the presence of cancerous cells.

Cell cycle control is crucial for an organism's health as it ensures that cells divide correctly and maintain proper function. If this control is lost, cells may begin to divide uncontrollably, which is a characteristic of cancer, leading to the formation of tumors.

The cell cycle has two major phases: interphase, where the cell grows and the DNA is replicated, and the mitotic phase, where the cell actually divides. The mitotic phase includes karyokinesis (the division of the cell's nucleus) and usually cytokinesis. However, when cytokinesis does not occur, the result is a multinucleate cell, which has replicated DNA and might be larger in size but hasn't physically separated into two individual daughter cells.

The physical folder for each veterinary patient and the total body of information that comprises each animal's health history is called the

Answers

The physical folder for each veterinary patient and the total body of information that comprises each animal's health history is called the medical record.

The sequence that best illustrates the flow of energy through an ecosystem is

(1) sunlight → plant → wolf → rabbit



(2) plant → sunlight → rabbit → wolf



(3) sunlight → plant → rabbit → wolf



(4) wolf → rabbit → plant → sunlight

Answers

the answer is 3 because the sun transfers to the plants, the plants transfer to the rabbits, and the rabbits get eaten by the wolves

One modification of the small intestine that increases the surface area is ____.

Answers

Answer:  the "villi" .
_________________________________________
(in addition to the "microvilli" attached to the "villi" -- which further increase the surface area). 
_________________________________________

When the urinary bladder becomes stretched, there is an increase in the frequency of action potentials traveling from..?

Answers

the urinary bladder to the sacral region.

What are the neurons called that pick up sensations from receptors and carry them into the brain?

Answers

Neurons that pick up sensations from receptors and carry them into the brain are sensory neurons.

which energy molecule is produced as a result of cellular respiration?
A) ATP
B) RNA
C) DNA
D) ADP

Answers

A. ATP

during cellular respiration, glucose is broken down in the process of oxygen to produce carbon dioxide and water. The energy released during the reaction is captured by the energy-carrying molecule ATP.

The intestinal epithelium absorbs monosaccharides by __________

Answers

facilitated diffusion plus cotransport mechanisms

What is air pressure? A. Earth's gravity pulling down on air molecules. B. Constant collisions between air molecules due to their high energy C. The result of air being confined to a particular volume in the atmosphere D. The Sun's gravity pulling on Earth's atmosphere

Answers

Answer:

Earth's gravity pulling down on air molecules.

Explanation:

Answer on Odyssey-ware

Identify two ways in which environmental resources are important to human health.

Answers

keep us alive
keep us moving
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