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3 years ago

The law of superposition states that in horizontal rock layers, the oldest layers are at the bottom. Which statements

Biology

1 answer:

Anastaziya [24]3 years ago

3 0

Answer:

It describes the order of rock layers.

It is a statement of fact.

Explanation:

Law is a statement that is found to be true and acquire from a number of experiments, while theory is gain from assumptions not through experimentation. Layers of soil never change their place with the passage of time. The oldest layer remains below at the end while the new layer is found on the surface of soil. It is a statement of fact because it is proved from experimentation. It never changes as the advancement of technology occurs.

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Mitochondria and chloroplasts are similar in that they both __________; however, they are different in that only chloroplasts, a

pantera1 [17]

Answer: produce energy; photosynthesize

Explanation:

Mitochondria and Chloroplast are similar because both are cellular organelles involved in ENERGY PRODUCTION:

- Chloroplasts in green plants, due to its membrane containing chlorophyll molecules produces energy during photosynthesis

- Mitochondria in animal cells produces energy in form of ATP during lipid oxidation occuring in its membrane.

However, both organelles DIFFER in that ONLY CHLOROPLAST allows photosynthesis in its membrane, unlike Mitochondria

8 0

4 years ago

Causing respiratory rate to

lesya [120]

Answer:

A) Decreases;increase

Explanation:

When there are high levels of carbon dioxide in the respiratory system, the blood pH level decreases, causing respiratory rate to increase.

This condition is acidosis because not enough CO2 escapes lungs hence CO2 accumulates and decreases pH of blood, making it more acidic. As blood pH drops (becomes more acidic), the parts of the brain that regulate breathing are stimulated to produce faster and deeper breathing to increase the amount of carbon dioxide exhaled to bring our body to the ideal pH.

3 0

4 years ago

Which organic molecule is responsible for the insulation of internal organs against shock?

Inessa05 [86]

Lipids

A lipid's function is to insulate the body and provide warmth in cold conditions. It can be concluded that a person with very little body fat gets very cold easily and a person with a lot of body fat gets very warm very quickly.

8 0

4 years ago

Describe how the sun's mass affects planets in a solar system.

ruslelena [56]

Answer:

Explanation:

Due to the Sun's massive size, its large gravitational pull causes the planets and other objects in the solar system to orbit around it. In orbit around the Sun are the eight planets along with their moons, dwarf planets and many much smaller objects like asteroids and comets.

7 0

3 years ago

Read 2 more answers

Explain why global climate models typically work by treating the planet as a set of connected boxes.

ivann1987 [24]

Answer:

Global climate models usually work by managing the planet as a set of connected boxes because this facilitates the management of the calculations applied in a climate system that is dynamic, variable and complex, which is due to the fact that there is not an equal pattern of climate in each area of the planet.

Explanation:

Climate models have been designed to show the dynamics of the planet's climate and what can be expected from the changes that occur in the future.

The scientific basis of a climate model is physical phenomena and chemical reactions to which a series of differential calculations are applied to determine the behaviour of:

Winds.
Temperature.
Relative humidity.
Rainfall.
Pressure changes.
Heat transfer.
Hydrological dynamics.

Global climate models usually divide the planet into sections -such as boxes- making the calculations in each sector, as well as the interaction of each section with the adjacent sections, which greatly facilitates making the differential calculations, showing the climate at a given time and making predictions of future climate behavior.

It is important to mention that a climate model also explains the changes that occur in the climate due to human activity, which is different in each region of the world.

Learn more:

Global climate models brainly.com/question/9423898

4 0

3 years ago