Emulsifiers<span> are substances that stabilise emulsions, stopping them separating out. First commonly found in egg yolk.</span>
Answer:
Explanation:
Physical weathering is caused by the effects of changing temperature on rocks, causing the rock to break apart. The process is sometimes assisted by water. Freeze-thaw occurs when water continually seeps into cracks, freezes and expands, eventually breaking the rock apart.
Answer: Certain pathogens enter and multiply within the human body.
Explanation:
Infection or invasion of a pathogen inside the body of the human host does not necessary causes the disease. Instead the multiplication and colonization of these pathogens inside the body of the human host is responsible for disease. This is because of the fact that the pathogen's cells multiply and invade the healthy cells of the human host. This process weaken up the host immune system. This process leads to the occurrence of signs and symptoms of the disease.
Answer: False
Explanation: It's completely normal to get upset with your friends, as it is to get upset with anyone else. However, if you find that you are always upset with your friends, there may be something wrong.