Answer:
A)
Explanation:
The nucleus contains genetic information and acts as the control center of the cell. B) is also partially true but A) is the important part about the nucleus.
a control helps to increase the reliability of the results. it allows a scientist to compare it to other group(s) in an experiment. if a scientist notices a significant different btwn the control and the other groups, he can logically conclude that the independent variable has an impact on the dependent variable.
a variable is any factor, trait or condition that can exist in differing amounts or types. there are usually three tpes of variables in experiments: the independent, dependent and contolled. the independent variable variable is the one that is changed by the scientists to figure it's affect on something.
Answer:
Plants photosynthesize, so they need, thus absorbs carbon dioxide. Marine plants also need carbon dioxide for photosynthesis so they absorb. Dead plant and animal matter decay to release carbon dioxide as a result.
A carbon footprint refers to the greenhouse gas emissions caused both directly, and indirectly, by an individual, a product, an organization, or an event.
Answer:
hope it's help you ok have a good day
Answer:
B. Geothermal
Explanation:
Fossil fuels and coal both require extremely old material to form. Geothermal energy is generated and stored in Earth.
