The nitrogen cycle could no exist without bactria. bacteria that lived inside the ground, catch the nitrogen that has been fixed and covert it into nitrate.
Oceans, Seas, and bodies of fresh water
Include grand parents.
Nuclear family is a family group with 2 parents and their children. This is a type of family structure. It typically centered on married couple. This is in contrast to other family group such as single parent, extended types. Extended family extends beyond the nuclear family usually extended by grand parents. Usually they live under one roof. Certain family structure has advantages and disadvantages. This is also affected by the culture and way of living of the family.
Answer: Not getting enough physical activity can lead to heart disease—even for people who have no other risk factors. It can also increase the likelihood of developing other heart disease risk factors, including obesity, high blood pressure, high blood cholesterol, and type 2 diabetes.
Darwin suggests that an organism's struggle for existence is part of what determines why some species' characteristics survive and others become extinct. These adaptations illustrate how unique characteristics of particular organisms have developed, allowing them to thrive in their specific environments.