There are three types of waste water
sewage: domestic sewage, industrial sewage, and storm sewage
Answer:
Option 1.
Explanation:
r-selected species may be defined as the species that has higher growth rate, shows less parental care and the rate of survival of the off spring is low as compared with k selected species.
Black widow spiders have the ability to produce 1000 offspring. Their chances of survival are extremely low and only few species of black widow spiders survive. Hence, black widow spider is r-selected species.
Thus, the correct answer is option (1).
Answer:
Mutations that occur in muscle and skin cells
Explanation:
Answer:
The wooden handle because metal handles burn more and wood dont
Explanation:
