Q: What three rs represent the steps that you personally can take to conserve our natural resources and minimize waste? Choices: - rinse, reuse, recycle - remove, reduce, reuse - reduce, reuse, re-educate - reduce, reuse, recycle A:
reduce, reuse, recycle

(Question)
Q: The separation of compounds on the basis of their solubilities in a given solvent is known as what? Choices: - nuclei crystallization - simplest crystallization - separate crystallization - fractional crystallization A:
(Answer)
fractional crystallization

Ques: Q: What process takes place when echinoderms release their gametes into the water? Choices: - migration - stimulation - isolation - fertilization A:
Ans: fertilization

(Q).
Q: Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what? Choices: - parasites - white blood cells - vaccines - pathogens A:
(A).
pathogens

Ques:Q: How many millions of years ago did pangaea begin breaking apart? Choices: - 600 - 400 - 500 - 250 A:

Ans:250

Ques:Q: What is the term for the steep sloped side of a sand dune? Choices: - front face - break face - slide face - slip face A:

Ans:
slip face