In a solid the particles are very tightly packed and can’t move around much whereas in a liquid they are touching but can move around a bit. Liquids can also flow/pour
Answer:
it is the number of protons in the nucleus
Explanation:
Correct answer is c - Blood cell are produced in the skeletal system.
Red blood cells are produced on a regular basis in the bone marrow. Bone marrow is a red spongy material found within the cavities of many of the large bones of the body.
Red blood cell start as immature cell in the bone marrow and after about seven days of maturation, they are released into the bloodstream, that is, the circulatory system where they circulate for about 120 days before being replaced with new ones.
The laboratory is full of chemicals and other hazardous substances. So, it is very important to keep all the safety precautions before entering in the laboratory to avoid any mis-happening.
Here are some precautions, which one should take before entering lab:
- Before entering the laboratory one must wear all the safety equipment including gloves, goggles, apron, and others.
- Make sure you are not wearing any inflammable thing and you are fully covered, as in some laboratory, harmful radiation are also present.
- Make sure your hair are tied in properly and the shoes are covered.
D. Denouement.
Denouement is the final part of a play, movie, or narrative, or a story in general.