Homeostasis can be upset by stress, which is the . ( science )
response of the nervous system to changes in the environment

reaction of the body to a threatening, challenging, or disturbing event

maintenance of the internal body temperature and conditions

process of ignoring changes in the external environment

-50/3

step-by-step explanation:

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.