Answer:
mutation
Explanation:
A mutation is a change that occurs in copying a DNA sequence where the order of the proteins could be altered.
A: first gap is the answer
Answer:
This method is used for separating bran from flour, sand from gravel, pearls of different sizes, etc. Winnowing:The process of separation of lighter particles from heavier particles; with the help of wind; is called winnowing. This method is also used for separating grains from husk.
The simple answer is mucous cells. the stomach is lined with gastric mucosa and the intestine is lined with intestinal mucosa.
The importance of space rovers is that they help researchers on other planets for example samples of dust, rocks, pictures (basically get information). Some rovers can also transport members of a spaceflight crew.<span />