Answer:
may be D is the right answer because
electrons microscope it not easy to handle and so expensive but light microscope is easy to handle and less experience
Because fire heats the air, making it much thicker and uses up oxygen. if it runs out of oxygen, it cant keep itself lit.
Answer:
Law of conservation
Explanation:
Energy cannot be created or destroyed
Answer:
23 chromosomes
Explanation:
A human body all together has 46 chromosomes but sperm and egg cells are gametes, or sex cells meaning each half of a parent created 46 all togehter. They are haploid cells while everything else are diploid.
