Explain why a fever that persists at 42ºc (107.6ºf) is life threatening for a person

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?