Answer:
PCBs and DDT are chemicals that were banned more than 30 years ago, but our air, water, land, and bodies are so contaminated that decades of cleanup efforts have yet to eliminate their threats to our health. Today, food is one of the most likely exposure routes to PCBs.
Answer:
Water and nutrient uptake.
Explanation:
The root system of a plant functions as conducting tissue for water and mineral nutrients that are essential for metabolic activities of the plant.
<em>Extensive surface area of roots is an adaptation associated with efficient water and mineral nutrient uptake because this will increase the surface area of roots in contact with the soil.</em>
1-
2-
3-
4-
5-
6-
7-
A- embryo
8-
A- egg cell
9-
A- sperm cell
10-
I'm going with C. It may be wrong but I think it's C.
Answer:
A second set of chromosomes is produced, also known as prophase.
Explanation:
Hope this helped :)
