What is the difference between rough and smooth endoplasmic reticulum?
A. function
B. appearance
C. Both A and B are correct

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

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs