Which of the following give evidence for the big bang theory? Check all that apply.

A. the Doppler effect

B. galaxy shapes

C. cosmic background radiation

D. contracting of the universe

E. heating of the universe

Which component of blood protects us from invading foreign material? plasma erythrocytes thrombocytes leukocytes

Why did Gregor Mendel study pea plants? a. They exhibit only a single trait. b. They produce flowers. C. They are easy to grow. D. They reproduce sexually.

Chlorophyll molecules are in which part of the chloroplast?

Which is the most common type of white blood cell apex?

What factors lead to a braided channel pattern?

A gazelle population nearly doubles in four months (March - June). Which statement below best explains this change in gazelle population? : The numbers of predators have increased. Food resources have diminished.

Canned food is prone to what if cooked at a low heat? 1. Food containing more nutrients 2. Better tasting food 3. Botulism 4. can be canned in thinner cans

How can changing ocean currents lead to climatic cooling?

What color of light is the best for photosynthesis

Which is true of low resistance wires? A. The shorter a wire is, the lower resistance it will have. B. The longer a wire is, the lower resistance it will have. C. The shorter a wire is, the higher resistance it will have.