Answer: choice A
Explanation: hope this helps
SORRY IF IM WRONG
The only way for gases to diffuse in and out of the leaf is through small openings on the bottom of the leaf, the stomata.
Answer: A. true
Explanation: The phenotype is the physical characteristics of a person. So, if a person has brown eyes, which may be a characteristic that is dominant, then they would have a genotype of BB or Bb. The reason why Bb, heterozygous, is not a different color is because the recessive b does not affect the dominant B allele.
Hope this helps!!!
The lowest and thickest layer of the atmosphere is troposphere
Famine- High population means more mouths to feed
Disease- Diseases usually spread more quickly with people who live closer( as it can just move from one person to the other)
War- People like to fight for land, resources, money, etc. And having more of those things mean they are more able to support families, communities, and more.
(Hope this helps a little)
