Explanation:
The cuticle is a layer of tissue on the outside of most leaves and stems, and its primary function is to help the plant conserve moisture. Since hydrophytes are full of water and moisture, it does not need a cuticle.Most aquatic plants don’t need to seal in moisture, so they don’t have cuticles
Controlled population growth.
Explanation:
US is a highly developed country and it has expansive infrastructure and highly mechanized agricultural equipments. So first option is not a choice. Second, access to chemical fertilizers and pesticides in a country with such advanced agriculture infrastructure is very easy. Third US is well known for using GM crops.
US does not have a controlled population growth because if not the birth rate then migration of people to US is a major concern for that country. Thus, this will be a correct choice for the given question.
The flu vaccine is a medicinal shot which is supposed to prevent/ and or decrease your chances of getting the flu. It is supposedly working as stated by the producers of this vaccine however many children have been given this vaccine and it dosen`t work. The recommendations are appropriate as it is better to be safe than sorry. However there are some negative effects. For example a person would get a cold afterwards and this of course is sickness. Overall, I recommend not highly, but as i stated earlier it is better to be safe than sorry.
Explanation:
B
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