Which of the following is NOT a major type of marine ecosystem? a. estuary
c. surface zone
b. intertidal area
d. polar ice
PLZ HELP I HAVE 2 HRS

Which term refers to the total dollar value of the goods and services produced in a country in a year?

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.

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.