Highlight 4 usefulness of science​

1. It is used to cure diseases that may harm or even kill us.

2. It is used to make transportation fast and easy.

3. It is used to understand the universe better to plan for the future.

4. It is used for fast and easy communication.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

acceleration= v2-v1/t so 8m/s-3m/s / 3s =to 8/3 or

2.67 m/s^2

hope i

-lavira: )