Migraines are frequent intense aches of the head of neck
that are not caused by another physical disorder. Severe pain may usually be
felt on either one side or both sides of the head. Pain usually is felt in the temples.
Migraine could last for hours or couple of days.
Answer D is correct, Wikipedia says that they move water from roots to stems and leaves.
The answer is C) selective breeding. This means that humans are deciding what to breed which means this is not a natural selection, but rather an artificial selection.
Answer:
Depending on changes, that occur with DNA, all types of DNA mutations can be divided into two main groups:
gene mutation;
chromosomal mutation.
Explanation:
