<u><em>In most cases, it takes from 6 to 8 weeks for a stress fracture to heal. More serious stress fractures can take longer. Although it can be hard to be sidelined with an injury, returning to activity too soon can put you at risk for larger, harder-to-heal stress fractures and an even longer down time.</em></u>
Answer:
1) If a pesticide was used to kill the grasshoppers and the caterpillars, then the frogs should be fine, because the pesticide isn't made to effect them; also, unless their diet was only of grasshoppers and caterpillars, then the frogs would not starve.
2) Two human activities that can impact the ecosystem are, pollution, and deforestation. Pollution, because it can harm animals, but against popular (but unscientific) belief, doesn't cause climate change. Deforestation also harms animals, and also causes for some trees to have to produce more oxygen than before.
3)Life on earth could not exist on earth without plants and decomposers because there would be no oxygen left on earth for creatures to breathe, and there would be no nutrients to keep the earth alive.
Answer:
The mean population is computed by adding the population for the beginning of each of the twelve months and for the end of the last month, and dividing the sum by 13.
Answer: Placebo effects.
Explanation:
Placebo effect is also known as Placebo, it is a situation whereby a substance known to have effective performs the wonders of improving the health condition of a patient, this is due to the believe the patient has towards the substance. One of the factors that helps Placebo effect is "Expectation".
A substance is regarded to have placebo effect if it was not designed to have any therapeutic value, Examples of placebo includes disabled water, sugar, sham surgery, inert injection and tablets, etc.
