Answer:
OB. Run-off from fertilized land increases nitrogen levels in ecosystems and encourages algal growth. is the correct answer.
Explanation:
because This in turn is leading to global warming and weather changes.
Answer: In 1450 the printing press is developed. About 1503 the European kingdoms started to take people from Africa and enslaved them. Nov 11, 1620, the Mayflower Pilgrims made their first landing to America, in Province town Harbor, Massachusetts.1519 Magellan was the first person to sail around the world and to prove that the Earth is round. 1558 Elizabeth I rules England during the period of William Shakespeare. 1500 In Germany, the first ever watch was created by Peter Heinlein. 1534 England breaks away from the authority of the Catholic Church and becomes a Protestant country under King Henry VIII.597 The first ever flushing toilet was invented by John Harrington in England.
Explanation: you are welcome :)
Answer:
C. Both (a) and (b)
Explanation:
Hunting, destroying habitats, polluting and introducing non-native species can cause extinction.
Answer:
prokaryotic: Small cells in the domains Bacteria and Archaea that do not contain a membrane-bound nucleus or other membrane-bound organelles
Our genes can be affected by the environment and change the way our traits are displayed, called the phenotype. However, changes in phenotype have an underlying genotypic source. Epigenetics or epigenetic changes are changes in the way traits are expressed as an effect of the environment (i.e. food we ate, chemicals in the body, environmental stresses), without changes in the DNA. Simply put, in epigenetics, some parts of the DNA are turned on or off in response to environmental conditions.