all atoms of the same element contain the same number of
a. neutrons.
b. protons.
c. neutrons and electrons.
d. neutrons and protons.

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

How are viruses different from eukaryotic cells?

First dropdown options: a. runoff b. condensation c. evaporation second dropdown options: a. photosynthesis b. transpiration c. sweating third dropdown options: a. raindrops b. clouds c. animals