I believe it is B.Agricultural revolution
Having a platelet count of 60,000/mirol is below the normal count of 150,000 which is called thrombocytopenia. With this low platelet count, our skin which is part of the integumentary system will show signs of Petechiae. Petechiae are formed and seen on the skin when capillaries underneath leaks blood due to low platelet count. Petechiae is commonly found on a person suffering from Dengue Hemorrhagic fever Disease where platelet count decreases.
Answer is b. Burning fossil fuels causes a decrease in the pH of ocean water making it more acidic.
Burning of fossil fuels release carbon dioxide and other harmful gases in the atmosphere. Carbon dioxide gets dissolves in the ocean to form carbonic acid. Due to formation carbonic acid, the pH of ocean water changes slightly. The average pH of ocean water was 8.2 slightly basic. Now it 8.1, it means there is 25 % increase in acidity of ocean water.
Answer:natural selection Genetic direction and gene flow
Explanation: I was just Researching this topic
Researching this topic
Answer:
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.