Which of the following is not a source of human impact on the marine environment? A. coastal development, both residential and industrial B. global warming C. trash D. increased levels of O2 E. chemical pollution from pesticides, heavy metals, and synthetic chemicals

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

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.

According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out