If girls have used dolls to learn behaviors for generations, then girls have used what to learn behaviors for generations? Answer choices: - Birds - trees - rainbows - sound - alleles - bows - nerves - dolls
dolls

If frogs have permeable skin, then an example of an animal that has permeable skin is? Answer choices: - a fish - goats - a fox - mammals - an iguana - rabbit - a frog - a shark
a frog

If water can be a gas or a liquid, then what can be a gas or a liquid? Answer choices: - Alcohol - ozone - water - vapors - heat - blood - NaCl - shale
water

If complexity generally increases from the poles to the equator, then what generally increases from the poles to the equator? Answer choices: - kinetic energy - Energy. - warmth - voltage - sun's heat - temperature - complexity - sunlight
complexity