Answer to your question is D
Answer:
Industries cause enormous water pollution: By directly discharging their untreated effluents into water bodies like rivers and lakes. By letting their polluting effluents flow onto land so that they get absorbed into the soil and pollute underground water.
They are both important because mechanical has to do with physical - cause mechanical means physical, so chewing your mouth is physical (you break your food into smaller pieces physically). And then chemical digestion is when food and saliva mix together. They happen when breaking down food into nutrients - enzymes. Enzymes are important for that process, because they make a nutrient.
Hope this helps!!
Answer:
a. enclosing their DNA in a nucleus.
Explanation:
Prokaryotes in general have no membrane bound organelles. The cells are enclosed in a plasma membrane though .
Answer:
Praying mantis cannibalism explained. When a female praying mantis bites the head off her sexual partner, it is probably not out of anger. ... The scientists tracked the flow of radioactive proteins through the bodies of the cannibalistic females, and through their eggs.