B.
its the only one with ozone in the reaction O₃
The absorption spectrum is the result of absorption of light radiation by a material (solid or liquid) as a function of wavelength or frequency. The figure is shown below:
Answer:
B
Explanation:
Biotic factors are alive. Some examples include plants, animals and fungi.
The “a” in front of abiotic will negate the meaning of the word. Therefore, abiotic means not living. Some examples are rocks, water and air.
So, we know that biotic factors are living, and abiotic factors are not living. Therefore, B is correct.
Answer:
D. Black Holes
Explanation:
Black holes are large objects that form dense gravity wells in space. Their gravitational pull is so strong that even light cannot escape it.