A scientist finds a snail fossil in a layer of rock in a desert which action would help the scientist determine what the environmental conditions may have been when the snail existed?

you can suppose from that statement alone that the snail lived in. climate that was humid, wet and full of life in the past. you can also see the stratus of rock layers fo determine how long it could have been, and use carbon dating as a sure way to get the dating and time period correctly.

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.