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elena-s [515]
3 years ago
13

Why are human alterations to the carbon cycle a problem?

Biology
1 answer:
nasty-shy [4]3 years ago
5 0

Answer:

Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.

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All information of atoms pls!? (atoms,molecules,elements,compounds,etc...) 20 pts
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Some orchids produce two types of flowers, one with only anthers and the other with only carpels. And on some orchids like this,
aliina [53]

Answer:

The Orchids is the diversified structures of flowers, in fact, they have unique feature. Even with the pollination, they have several mechanisms of pollination. Few of them include:  

1. Few orchids have self-fertilization where the anther converts from solid-state to a liquid state without any aid of an external pollinating agent.  

2. In others, self-pollination occurs, when the caudicles dry the pollen fall on the stigma.  

3. This happens through an external pollinator resulting in a diversity of species.  

4. This is a very special case where the flower attracts the insect to mate with bright petals, odor, and the shape.  

5. These types depend on ants and other insects to get pollinated.

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4 0
2 years ago
2
jeka57 [31]

Answer:

Either (1.) Fossils or (2) Radiometric dating.

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Fossils are an obvious answer to this, but radiometric dating is the method most scientists use to find the age of rocks. Radioactive isotopes break down predictably, so the farther along this process is, the older the rock is.

3 0
2 years ago
3. The five kingdoms can be divided into TWO groups. Name these TWO groups.
tiny-mole [99]

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