Which of the following is not an indication of tectonic activity?

the shapes of the continents and how they appear to be pieces of a jigsaw puzzle

similarities between fossils in locations now separated by sea

similarities in rock structures between the east coast of north america and the west coast of europe

similarities in vegetation between equatorial regions of different continents

What must be true for natural selection to heppen

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases