Gan

STatiana [176]

Answer:

The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.

Explanation:

5 0

2 years ago

A cells relatively constant internal physical and chemical conditions are called?

Kay [80]

A cells relatively constant internal physical and chemical conditions are called Homeostasis.

4 0

3 years ago

Which statement best explains why a plant cell has chloroplasts but most animal cells do not?

irinina [24]

Answer:

Both animal and plant cells have mitochondria, but only plant cells have chloroplasts. Plants don't get their sugar from eating food, so they need to make sugar from sunlight. Because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria.

Explanation:

5 0

3 years ago

Read 2 more answers

This is an diagram of typical plant cell. The pink arrow is pointing to the _____. What is the function of this structure in a p

Bumek [7]

Answer:

It is the Cell wall.

Explanation:

Please use picture as proof.

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(Would appropriate it.)

5 0

2 years ago

Why have we not drilled or mined deeper into earth?

Rus_ich [418]

Easy answer: its too hot.

The deepest man made hole is Kola Superdeep Borehole. That was a Russian experiment to see how deep you could drill into earths crust, reaching down 12,262 meters. At that depth the temperature reached 180 °C. The scientists estimated that a 15,000 meters depth the temperature would reach 300 °C, and at that temperature the drill would cease to work and the project was stopped.

6 0

3 years ago