Answer:
46
Explanation:
In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y. A human egg is haploid (has 23 chromosomes) and a sperm is haploid (has 23 chromosomes). Upon fertilization, the new baby now has the 'correct' human number of 46 chromosomes in each of its somatic cells.
Answer:
A. True
Explanation:
Yes, the plants use cellular respiration. So, option (A) is the correct answer.
Well, to put it to the simplest way I can get it. Protein acts as a car engine because it gives us the energy to go and do things like a car engine gives a car the will to move.
Possibility of acid rain will increase
Answer:
cooling of lava or magma makes igneous
sedimentary rock is formed when sediment gets deposited, and is hardened by compaction and cementation.
any rock can turn into a metamorphic rock when exposed to extreme heat and pressure