PLZ HELP THIS IS DUE TODAY.
How is coffin-lowry syndrome inherited? Do both parents need to have the disorder in order for their child to have it?

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point