Trace fossils can provide which type of evidence? evidence that animals were never in that area. evidence that animals were at some time in the area. evidence that the climate was too hot for animals. evidence that the area was once underwater.

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

What is the farthest destination to date for a human spaceflight mission?

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food