Answer:
In this case, the question asked is "To what lengths must we go to protect plants and animals?", which is not specific and cannot be used for scientific research.
The ecological researches for the safety of the environment involves the protection of the plants and the animals on the basis of their number and vulnerability to extinction. Almost all the length of the plants are ecologically important and can decrease in number due to the changes in the environment, the length is not a parameter to determine the protection boundary.
I believe the answer is C (recycle them, but not through the regular trash disposal)
I hope this helps :)
Answer:
Cells provide the necessary structural support for an organism.
P.s you should link or photograph the model
Answer:
CO2 overabundant gas have humans accumulated in our atmosphere that has caused the greenhouse effect