Me no speak Spanish jajaja
Answer:
embryonic
Explanation:
after 8 weeks, the fetus formed from the fertilization of the ovum by the sperm, a thin amniotic sac is formed round it, in which the fetus is connected to the mother via the abdominal cord.
New chemicals are produced so quickly that living things do not have time to adapt is Carson's thought which is denoted as option A.
<h3>What is Adaptation?</h3>
This is defined as changes in the physical and behavioural characteristics of an organism that help them to survive in the changing environment.
Carson believes that living things cannot adapt to overcome the new chemicals that human beings introduce to the natural world because they are produced so quickly that living things do not have time to adapt.
Read more about Adaptation here brainly.com/question/29594
Benefits:
-Wind doesn’t cost anything so, operational costs are close to zero
-Doesn't pollute the air or create any harmful chemicals
Costs:
- Visual and noise pollution, they take up space and are very noisy
- Can be harmful to wildlife such as birds