Cells that are the main water-conducting cells of a plant are

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

What occupation did muhammad have before the first revelation

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.