What is the major source of water for earths atmosphere

How many egg cells form from a female Germ cell

The ___ is the largest organ in the body

Which statement about metamorphic and sedimentary rocks is true? Both types of rocks form under high temperature, but sedimentary rocks also require high heat. Only metamorphic rocks show signs of rock layers.

If cyanobacteria never evolved during earth's history, how would their absence affect the composition of earth's atmosphere?

Jenny is preparing a presentation about volume for her science class. She writes down the following notes about volume: -Volume is constant for solids since they have a shape. -Volume varies for liquids and gases since they do not have a shape.

What vessel returns filtered blood to the inferior vena cava

Which of these is true for bacteria because they are prokaryotic cells a - they can destroy neutrophils b - they are much smaller than lymphocytes c - they can invade macrophages d - they are much larger than killer T cells

What are some non-examples of carbohydrates

A person with type O blood can give genes a. AB. b. AO. c. BO. d. OO.

List the reasons why food chains to not send to exceed 4 links