Select all of the true statements about surface currents. a. they form gyres. b. they transport heat across earth's surface. c. they are known as "thermohaline circulation." d. they are caused by wind and earth's rotation. e. they are driven by density differences in the water. f. they take hundreds to thousands of years to complete a cycle.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems