Besides earth which planet once had liquid water on its surface?

List in the tabular form any three difference between the Aves and the Mammalia group

List the two groups of seedless plants

To test that a fertilizer makes flowers produce more blooms, a student tests 6 plants of equal size that all get equal water and sunlight. For 3 of the plants she uses the fertilizer and 3 plants of the plants she does not use the fertilizer.

You are called to a private home for a baby that is unresponsive. the 6-month-old infant was found by the mother who reports, "she went to wake the baby up from her nap at the usual time". the child is breathing but unresponsive.

In pea plants, round (R) is a dominant trait, and wrinkled (r) is a recessive trait. Which combination would result in wrinkled seeds? Question 3 options: RR Rr rr ww

Transport of materials into a cell against a concentration gradient, from low to high, requires A) water. B) energy. Eliminate C) osmosis. D) a passageway.

As ocean water in a tide pool warms and evaporates, the remaining water becomes a. cooler. b. saltier. c. calmer. d. darker.

Drake is comparing time people spend playing games on Xbox versus Playstation. In his study, individuals ages 10 - 15 are given Xbox's and individuals ages 16 - 25 are given Playstations.

How do scientists obtain knowledge about the world? Check all that apply.

What would the temperature of the surface be if the Earth did not have an atmosphere?