The proteins in the cell membrane allow the nutrients to go and waste to go out <span>of a cell. Water passes through the cell membrane without the help of proteins.</span>
Answer: Yes
Environmental problems like pollution has a solution. To curb this, measures must be put in place in making sure waste management agencies are establish. The work of these agencies will be handling wastes and disposing them at the best strategic places apportioned for this very purpose which will be in the outskirt of residential areas to avoid inhaling of toxins that emanates from these rubbish.
Answer:
<u>Benefits</u>:
pesticides can keep harmful pests–such as rats, mice, ticks and mosquitoes–away from crops while also protecting the plants from weeds and diseases that have the ability to greatly reduce crop yield.
<u>Environmental impacts</u>:
Pesticides may move with runoff as compounds dissolved in the water or attached to soil particles. Runoff from areas treated with pesticides can pollute streams, ponds, lakes, and wells. Pesticide residues in surface water can harm plants and animals and contaminate groundwater.
Stress is not a symptom of Gingivitis.
