Why is the earth's interior so hot? Question 6 options:

convection currents cause it to heat up

magma heats the core

solar energy heats the crust

leftover heat from formation and radioactive decay

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

What do you need to use in order to work as an environmental scientist? you need to use the scientific method and__ in order to work as an environmental scientist.