Answer: friction reduces the speed during motion
Explanation:
The more the friction, the lesser the speed during motion
I only know what number 1. is and its Mechanical Energy.
Answer: A.
Single-celled organisms duplicate their genetic material twice during cell division
Explanation:
All multicellular organisms use cell division for growth and the maintenance and repair of cells and tissues. Single-celled organisms use cell division as their method of reproduction. Somatic cells contain two copies of each of their chromosomes (one copy from each parent).
Electrical current is the flow of moving charges.
