Answer:
A red "L" is a symbol for low air pressure.
Answer:
Explanation: Renewable source are energy that is derived from the environment this include sun, wind. This energy have been utilized by many nations and companies for their activities. Fossil fuel is an example of non- renewable. The advantage of renewable energy include; It ability to be available all the time, they are renewed and always available this include sun, wind.
They are cost efficient this is because renewal of this energy is at no cost,they are available in the environment and can be channel for use.
They require no cost of transportation unlike other fossil fuel that will be moved from one place another and they are eco-friendly they do not bring fear of ozone layer depletion and green house gases.
A bone is tissue. It forms a part of the skeletal system which is made up bones, joints, ligaments and cartilage. Cells work together in groups known as tissues. A tissue is defined as a group of similar cells working together to carry out a certain task. Examples are skin, bone, blood. Tissues in turn are grouped together to form organs. An organ is defined as a group of tissues that work together to carry out a certain task . Examples are heart, lungs, liver.
Atmospheric pressure is an indicator of weather. When a low-pressure system moves into an area, it usually leads to cloudiness, wind, and precipitation. High-pressure systems usually lead to fair, calm weather
Answer:
The correct answer is: (B) erythropoietin (EPO) – increases white blood cell production.
Explanation:
Erythropoietin is a hormone secreted by the kidney when dealing to cellular hypoxia (low oxygen content on body tissues) to stimulate red blood cell production. This is because red blood cells are the ones that transport oxygen to every tissue in the body.
