Answer: idk if this is what you want but there are currently about 7.7 billion people on earth rn
The Y chromosome is 1/3 the size of the c chromosome and it contains bout 55 genes while the X chromosome had 900 genes
Molecules move freely when there in gas form
Answer:
hot air expands and rises to the top of the atmosphere, while the cool air stays
The exclusion of insects may be seen in freezing, burial, or wrapping. I<span>nsects and rodents are small and sneaky, many commercial buildings are rife with cracks, holes and other entry points that make ideal doorways for pests. I hope it helps. </span>