Matter can exist in different phases or states. what are three common states of matter?
a.
metals, nonmetals, and metalloids
b.
solids, liquids, and gases
c.
atoms, elements, and compounds
d.
earth, air, and water

B the main types we see every day are solids for example a wall liquids like water and gases

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )