Which characteristics describe this rock sample?
Check all that apply.
evidence of rapid cooling
evidence of slow cooling
small crystals
large crystals
smooth texture
coarse texture

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

How does a gymnosperm prevent itself from pollinating the same tree

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons