Which one of the following elements is not found in living things?
select one:
o a. sulfer
o b. hydrogen
c. oxygen
d. lead

d. lead

Explanation:

Sulfur, Hydrogen and Oxygen are found in amino acids.

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602

age of consent is a crime, regardless of whether the other person actually is.