Answer:
The magnetic field of Earth is caused by currents of electricity that flow in the molten core. These currents are hundreds of miles wide and flow at thousands of miles per hour as the earth rotates. The powerful magnetic field passes out through the core of the earth, passes through the crust and enters space.
Answer:
Because it controls all the activities in the cell
It is accepted to be fact by those who accept it to be fact, until further experimentation or research can prove otherwise
Answer:
b
Explanation:
water's hydrogen bonds allow it to move upwards against gravity through plant veins.