Avoid carcinogens (like smoking residues..etc), eat healthy and sleep well in order to maintain a strong immune system
Answer:
C. the effects of an earthquake on blood pressure
Explanation:
Natural experiments are observational studies in which participants are randomly assigned to groups that allow the researcher to draw causal relationships between an event and a factor. These experiments are used in studies where it would be unethical and unacceptable to subject human participants to such conditions. It is most times applied in epidemiological studies.
Since the researcher cannot control an earthquake which is a natural occurrence, this can be rightly described as a natural experiment. Controls are not used in this type of experiment.
i think it's the independent variable
Answer:
Both are the same but done by different space agencies.
Explanation:
The recent discovery is same as the LCROSS discovery because both are done in order to discover water on the moon. it is potentially exciting for humans because water is very important for life as well as this water is also can be used for formation of rocket fuel from it which helps the rocket in movement from moon to the earth if the fuel is finished.
Answer:
Synthesis of ATP by ATP synthase does not occurs in the absence of oxygen because oxygen is responsible for the transportation of electrons to the cell from electron transport molecules. This electron is used for the production of ATP. If oxygen is not present during ATP production, electrons will not formed in the system. That's why oxygen is very necessary for ATP production.
