Answer:
D
Explanation:
We can’t use nitrogen from the air and that’s why we have to use bacteria to into something that we can use
Answer:
Which of the following is not one of the characteristics of life?
a.
Balance
b. Digestion
C.
Circulatio
d. Conductivity
e. Reproduction
Explanation: A
Answer:
Biodiversity is important because it boosts an ecosystems productivity where each species, no matter how small, all have an important role to play.
Explanation:
Answer: decreases with decreased
Explanation:
Altitude is height above sea level.
The density of air decreases with height.
At higher altitudes, there is less air pushing down from above, and gravity is weaker farther from Earth's center.
So at higher altitudes, air molecules can spread out more, and air density decreases
