Sexual reproduction is shown because the offspring receives half its genetic material from one parent and half from the other parent.
Answer:
D. The electron moved up to an energy level and has an energy of 21.72 x 10−19 J.
The answer is : 3 CaCl2 + 2 Na3Po4 yields Ca3(Po4)2 + 6 NaCl
Nuclear energy produces radioactive waste
A major environmental concern related to nuclear power is the creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes. These materials can remain radioactive and dangerous to human health for thousands of years.