Which of the following element is the smallest? a. strontium (sr) b. magnesium (mg) c. beryllium (be) d. calcium (ca)

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

What substance has a mass of 9.5g and volume of 2.1cm^3

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe