The total number of electrons in a neutral atom of every element is always equal to the atom’s

A= Mass number
B= number of neutrons
C= number of protons
D=number of nucleons

Why is excretion necessary to maintain homeostasis?

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased