Adenine goes with Thymine and Cytosine goes with Guanine
You can differentiate them as vertebrates.
Bats are mammals
Doves are birds
Answer:
a
Explanation:
y=-2/3x+7 you multiply everything by 3 to cancel the fraction
3y=-2x+21 add 2x to both sides cuz u want the x and y on the left side for standard form
2x+3y=21
Th molecules in gas move around without pattern, they aren't stationary like in a solid or patterned like in a liquid.