Answer: A.
Explanation: When a chlorine atom gains an electron, its outermost principal energy level achieves an octet. In this case, the ion has the same outermost shell as the original atom, but now that shell has eight electrons in it.
Answer:
Hierrachy or level of organisation in human being refers to the arrangement of biological structures from simplest to most complex.
The order of pyramid tiers are:
Cells- tissues- organs- systems- organisms.
Explanation:
Hierrachy refers the order arrangement of biological
structures from simplest to complex.
Cells refer to basic unit of life.
Tissues comprises of cells which perform specific functions. E.g epithelial tissues.
Organs refers to several tissues that join to form organs. E.g Heart, lungs.
Systems comprises of several organs. E.g digestive system.
Organisms are comprises of many body systems.
If Lorenzo would quit smoking,reduce his intake of alcohol and improve his healthy eating behaviors and also increasing his physical activity it would mean his lifestyle changes would then increase telomerase activity. Increase telomerase is one way of the body to deal with stress and for the protection of DNA from destruction.
Answer:
28. Transverse (all electromagnetic waves are transverse)
29. White light.