Answer:
C
Explanation:
A clone is something identical to an organism.
The main motor contacts of a magnetic starter closed by
Electromagnetic solenoid. They operate
on current intensity, as motor current increases the solenoid's magnetic field
does as well. This lifts the solenoid piston upwards opening a set of contacts.
Answer: Archaebacteria and Eubacteria
Explanation: Archaebacteria and Eubacteria kingdoms contain only single celled organisms.
Answer:
Disease and Famine
Explanation:
If there is a disease that affects a type of plant, having other types of crops to rely on could save one from starvation. Also, only planting one crop in an area can change the pH and nitrogen levels in negative ways, so that eventually no plants can grow there. Not to mention the obvious balanced diet needed for a healthy body.