How long ago did oceans form

Which formation is the result of wind erosion? A. glacial erratics B. U-shaped valleys C. unusually shaped rocks D. mud slides

Which of the following properties is not used to define a mineral? Question 1 options: Its crystal structure Its chemical composition Its state of matter (solid, liquid, gas) Its color

Tim kept two identical green plants in his garden and labeled them A and B. He watered plant A every day and plant B once a month. After a month, the leaves of plant A remained green but the leaves of plant B turned yellow.

Cocaine's effects in the brain: a. result from blocking serotonin reuptake. b. result from blocking dopamine reuptake. c. result from blocking norepinephrine reuptake. d. all of these answers are correct

Why are protists considered the precursors to the eukaryotic diversity of life on the planet today

How can I measure the ripeness of a banana through sugar content or softness for my science experiment?

Which species is this butterfly? Mystery butterfly 3 Butterfly dichotomous key A. Papilio glaucus B. Papilio polyxenes C. Danaus plexippus D. Colias philodice

Which describes an interaction in which two organisms that interact must use the same limited resources?

IF Avery, Macleod, and McCarty had found that samples of heat-killed bacteria treated with RNase and DNase transformed bacteria, but samples treated with protease did not, what conclusion would they have made

What is an eruption of ash, cinders, bombs, and gases from a volcano is called?