I think it's radioactivity. From what I learned in 5th grade, the hardness of a mineral can be a major indicator, as a diamond is the strongest mineral, and talc is extremely easy to break down (I think it's Talc at least). A quick google search showed no mention of radioactivity. Also radioactivity just doesn't sound right compared to the other answers.
It's been a while since I've gone over it so I could be wrong.
Answer:
Maintaining homeostasis at each level is key to maintaining the body's overall function.
Explanation:
The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and and the concentration of glucose.
Answer:
<u>ad hoc hypotheses</u>
<u>Explanation:</u>
This statement could be used for any hypothesis in which the results (different ideas) do not agree with their hypothesis. In other words, there were no verifiable tests that could make valid the <em>accepted hypothesis</em>.
Thus, the researcher only accepted the hypothesis <em>without</em> a sound basis for doing so.
Answer:
Biodiversity boosts ecosystem productivity where each species, no matter how small, has an important role to play. For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all forms of life.
Explanation: