Which of the following is a trace element required by most living organisms?
a) nitrogen
b) oxygen
c) carbon
d) hydrogen
e) magnesium

E) magnesium

Explanation: nutrients which plants require in little amount are called trace elements.example are molybdenum,zinc,iron, magnesium etc.

Magnesium functions in photosynthesis, activation of enzymes and carbonhydrate metabolism in plants.

It's deficiency be caused by high soil pH and it results in poor growth of plant.

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.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.