Answer:
A .They result in sudden gene frequency changes.
Explanation:
Answer:
If there were no connective tissue in your body, you would not be able to move your muscles or hold balance. Connective tissues also help carry out the task of storing energy and insulating the body. They are mostly made up of Ground substance, Fiber, and Cells.
Explanation:
Normal polarity
Explanation:
Earth's magnetic field used to be twice as strong 1.5 billion years ago as it is today and Earth's temperature other than what the geologists see from the 'normal' pattern. It has been noticed that some volcanic rocks were magnetized in opposite direction to the direction of the local Earth's field. It is clear that the Earth has experienced the normal polarity 1.5 years ago but at that time, the Earth's polarity was poorly understood.