Plants grow over time by balancing two chemical reactions: photosynthesis and cellular respiration. Plants use the products of photosynthesis as the reactants of cellular respiration.
Photosynthesis: 6CO2 + 6H2O + energy C6H12O6 + 6O2
Which is the chemical equation representing cellular respiration?
A. 6H2O + energy C6H12O6 + 6O2
B. C6H12O6 + 6O2 6CO2 + energy
C. 6CO2 + 6H2O + energy C6H12O6 + 6O2
D. C6H12O6 + 6O2 6CO2 + 6H2O + energy

12) Buoyancy depends on density, which depends on mass and volume.

13) Changing the mass or volume of an object changes its density and affects its buoyancy.

14) If an object covers a large enough area of the water's surface, it can float on the water because of the surface tension of water particles.

15) Matter can exist as a solid, a liquid, or a gas.

16) A solid has a definite shape and volume.

17) A liquid has a definite volume, but it takes the shape of the container holding it.

18) A gas does not have a definite volume or a definite shape.

19) Matter can be described as the substance that makes up everything in the universe. It possesses various properties and characteristics, such as its physical state (solid, liquid, or gas), mass (amount of matter), volume (space it occupies), density (mass per unit volume), color, texture, odor, taste, melting point, boiling point, and chemical composition. These descriptions enable scientists and individuals to understand, categorize, and interact with matter in various ways, contributing to our knowledge and the development of technology and products in our daily lives.

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The process involving heat transfer did Roseanne observe inside the beaker is known as convection.

The process of convection involves the movement of heated fluid, including air or water, in order to transfer heat.

Natural convection is caused by the fact that most fluids have a tendency to expand when heated, which causes them to become less thick and rise due to increased buoyancy.

The consistent heating of air inside a heated room or water in such a kettle is due to circulation generated by this effect: heated molecules widen the space that it move in by moving faster toward one another, raise, and thereafter cool and close again, increasing density and causing a consequent sinking.

Forced convection refers to the movement of fluid by means other than those brought on by changes in density with temperature.

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Roseanne observed convection, where heat is transferred through the liquid in the beaker, causing hot liquid to rise and cool liquid to sink, which forms a circulation pattern. This process continues with the presence of a heat source.

Roseanne observed the process of convection inside the beaker during her laboratory experiment involving heat transfer. In this process, the heat transferred to the solution causes the hotter, less dense liquid to rise, while the cooler, denser liquid sinks. This creates a circulation pattern within the beaker as the warmer part of the solution expands and rises, transferring heat to other regions, and the cooler part of the solution descends. This circulation due to convection continues as long as there is a heat source to maintain the temperature difference.

Common examples of convection in daily life include a barista steaming milk to make hot cocoa, or the natural circulation patterns observed in the atmosphere due to the heating of the Earth's surface by the sun. It is one of the three methods of heat transfer, which also include conduction and radiation.

Every substance, body or material has mass and volume, however the mass of different substances, bodies or materials occupy different volumes.

This is where density appears as a physical characteristic property of matter that establishes a relationship between the mass of a body or substance and the volume it occupies.

In formal words:

Density [tex]D[/tex] is defined as the relationship between the mass [tex]M[/tex]  and volume [tex]V[/tex] of a specific substance or material and is expressed in the following equation:

The density is a scalar quantity and according to the International System of Units its unit is [tex]D=\frac{kg}{m^{3}}[/tex]

It should be noted that the density of a body is related to its buoyancy, a substance or body will float on another fluid if its density is lower.

Explanation:          

Location A receives 200cm of rain each year, while Location B receives only 30cm because in location A cloud rises, and it expands and cools down because the surrounding atmospheric pressure decreases, then the cloud gets too large and falls down as rain. Whether in location B, this land is covered by rain shadow and receives less rain.

Once the rain passes from mountain range and it moves down to the other side, warms and dries out. This produces a rain shadow. The land which is covered by rain shadow is very dry and receives less rain. Precipitation and cloud cover the land on windward side of the mountain range.  

The two tools that would be most useful in testing how the mass of an object can affect the distance it moves after being pushed are balance and meter stick. The correct option is b.

Any object used to accomplish a task can be referred to as a tool. Equipment typically refers to a collection of tools used to accomplish a particular task. A tool can also be non-mechanical.

The hammer, the wrench (also known as a spanner), the saw, the shovel, the phone, and the computer are some examples of tools that are often used nowadays. Tools can also be quite basic items like knives, pens, and pencils. One of the very first tools created by humans was the bludgeon, which is a stick or rock used as a weapon to destroy things.

Therefore, the correct option is b, Balance, and meter stick.

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The question is incomplete. Your most probably complete question is given below:

Spring scale and hot plate

Balance and meter stick

Graduated cylinder &  beaker

Magnet & thermometer

Answer: W = 150J

Explanation: The work is defined as a measure of energy transfer when an object is moved by an external force.

So if we are applying a force of 25N for 6 meters, the work is done can be calculated as:

W = F*D where F is a force, and D is distance.

W = 25N*6m = 150 N*m

And Newton*meter = joule, so we have that:

W = 150J

Final answer:

It would take approximately 109.59 years for the glacier moving at a rate of 2 meters per day to reach the village that is 80 kilometers away.

Explanation:

The student asked how many years it would take for a glacier moving at a rate of 2 meters per day to cover the distance to a village that is currently 80 kilometers away. To solve this problem, we need to first convert the distance from kilometers to meters. Since 1 kilometer equals 1,000 meters, the distance in meters is 80 km × 1,000 = 80,000 meters.

Next, we calculate the number of days it would take to travel this distance by dividing the total distance by the daily movement rate of the glacier. The calculation would be 80,000 meters ÷ 2 meters/day = 40,000 days.

Finally, to find the number of years, we divide the number of days by the number of days in a year. This is 40,000 days ÷ (1 year/365 days) = 109.59 years. So, it would take approximately 109.59 years for the glacier to reach the village at the current rate of movement.

Chimpanzees and birds use tools as nutcrackers to help them access food. They demonstrate problem-solving abilities and adaptation through their tool use.

Chimpanzees and birds use tools as nutcrackers. Chimpanzees sharpen sticks to use as spears for hunting, while birds like crows are capable of bending wire into a hook to extract food. This tool use demonstrates problem-solving abilities and adaptation in these animals.

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The name of the large pore through which filtered water leaves the body of the sponge is osculum. The correct option is C.

Sponges, members of the phylum Porifera, are a basal animal clade and the diploblasts' sister.

They are multicellular organisms with pores and channels that allow water to circulate through their bodies, which are made up of jelly-like mesophyll sandwiched between two thin layers of cells.

To obtain energy, animals require nutrients from other animals and plants. Because sea sponges lack chloroplasts and do not generate energy from sunlight, they are classified as animals.

Water is pumped directly into the sponge through pores called ostia and then out through an opening called the osculum.

The spongocoel is lined with choanocytes, which are specialized digestive cells that filter and absorb food.

Thus, the correct option is C.

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Answer:

Weight of the cannonball, W = 196 N

Explanation:

Mass of the cannonball, m = 20 kg

We need to find its weight on earth. The weight of an object on the earth can be calculated by the product of mass and acceleration due to gravity as :

[tex]W=m\times g[/tex]

[tex]W=20\times 9.8[/tex]

W = 196 N

So, the weight of the cannonball on the Earth's surface is 196 N. Hence, this is the required solution.

A tornado is fine, violently rotating column of air that expands from the base of the ground to the high level in air.

Scientists use wind flow and its profile and the temperature of air for the region to predict and detect the tornadoes. Hence, the option 4 is the correct option.

What is tornadoes?

A tornado is fine, violently rotating column of air that expands from the base of the ground to the high level in air.

Tornado forms by the large thunderstorms. When the thunderstorms arises, the hot, cold and humidified airs blow with air. This cause spinning air current inside the clouds.

The tornadoes occurs where the conditions in the favor of thunderstorm. As the large thunderstorms cause the tornadoes Thus the tornadoes can be predicted in the region where favorable conditions seem for the development of thunderstorms.

The likely conditions for a thunderstorms, when the middle air is cold and dry and the ground level air is humidified.

Wind profile keeps a important role for the storms. The low level wind flow in middle level and the strong wind flow at the high level cause the thunderstorms and so the tornadoes.

Scientists use wind flow and its profile and the temperature of air for the region to predict and detect the tornadoes. Hence, the option 4 is the correct option.

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Answer:

 The gaps in the rock are known as discontinuities that are basically caused by erosion. The unconformities in the rock is mainly caused by the erosion that represent the irregular line on the surface of the rock. The layer of each rock create a gap between the upper and the lower layer.  

Sometimes, the process of the over thrust can cause the gap on the surface of the rocks as the layer of the rock are set one over the another in the geological rock records.