Aage is the age of one object compared to the age of another object.

Relative Age Determined by Fossils 

What is Relative Age? Relative Age = Means the age of one object compared to the age of another object. Relative age of rocks and fossils are determined by: – Ordering of rock layers – Index fossils  hopes it helps you beautiful :P 

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.

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.