A train is going 30 m/s and speeds up to 80 m/s over a period of 30 seconds along with a set of train tracks. What is his acceleration during this time period along the track?

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?

Coral have a symbiotic relationship with what in order to eat?