15 !

describe the relationship of the atoms shown by:

a) the rearrangement of atoms is a chemical change
eliminate
b) stability of the atoms in the molecule means a physical change
c) a change in state of matter from a liquid to gas is a physical change.
d) a change in state of matter from liquid to solid is a physical change.

Free brainliest! what is a characteistic of the american stradfordshire?

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?