As you grow father away from the mid ocean ridge the rock is older as you get closer the rock is younger
The population of blue crabs will be difficult for the scientists to count because of unreliable ways and natural phenomenon or occurrence that causes the water's temperature to rise. According to climate reports, year 1999 have warmer temperature and this probably caused the blue crabs to be active, but on year 1990 female blue crabs sustained a normal quantity of production of their species. Thus, the estimated count of population of blue crabs is probably more accurate in year 1990 than year 1999 because of the stable production of the female crabs.
Answer choices are:
A. Pollution
B. Dams
C. Flooding
D. All of the above
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Correct answer choice is :
D) All of the above
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Explanation:
Sulfur dioxide and nitrogenous oxide released from industries and power plants infiltrate river ways by acidic rainfall. Sewerage and effluent are released into rivers in some regions. Pollution can decrease the pH of the water, attacking all organisms from algae to vertebrates. Biodiversity reduces with reducing pH.
moss and liverwort are the bryophyte
1. D 2. A 3. C 4. B tell me if I’m right