Explanation:
Observations allow us to collect data that we can connect back to the central problem. From this data we can start to form hypotheses (predictions on possible solutions or outcomes).
Answer:
OH LOL I DID THIS IN 7TH GRADE
Explanation:
so if i remember when the trees where white the pepper moths that where white survived more often that the black ones, then when the industrial war came the trees where covered in ash, so the white moths survived
MY SENTENCE
It shows how a change in an environment can effect a species natural selection, for example the white moths survived more than the black moths so the reproduced while the black moths where eaten by predator's, then when the environment changed and favored the black moths they survived and reproduced while the white moth got picked off by predators.
Hope this helped mate :>
Answer:
It is not generally known to be a cause of leukemia
Explanation:
Yes, scientists have found a link between EMF and leukemia, but they have not found actual evidence of electromagnetic fields being a huge risk factor of leukemia.
Answer: Sometimes.
Explanation: Well, it depends on the other conditions, what is in the soil, etc.
