Calcium is a chemical element with symbol Ca and atomic number 20. Calcium is a soft gray Group 2 alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust. The ion Ca2+ is also the fifth-most-abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.[5] Free calcium metal is too reactive to occur in nature. Calcium is produced in supernova nucleosynthesis.
I think it's B because waxing crescent and first quarter is a small part of the full moon
The answer is Photosynthesis
Answer:
The ways in which teen pregnancy can be addressed are as follows:
1. Special prenatal care is needed and health care centres should be visited frequently for a checkup.
2. The teen should also undergo tests for STD or Sexually transmitted diseases.
3. Toxic substances such as alcohol, tobacco, etc. should be avoided.
4. Eat a proper balanced diet and stay physically active.
5. The teen should be made aware of all the associated health risks and other factors associated with pregnancy.
Explanation:
I'm not sure but hope it helps.
Answer:
Only in meiosis does the amount of chromosomes change, not in mitosis, so each of the daughter cells will also have 32 chromosomes
Explanation:
