Which of the following are abiotic factors of a coral reef community? A. crabs and sunlight
B. water, sunlight and amount of oxygen in water
C. water and fish
D. fish, sharks and crabs

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity