Answer:
There are four layers of the Earth, including Inner Core, Outer Core, mantle, and Crust. Each layer has its characteristics because of its temperature and formation.
The inner core is solid with iron and other metal deposit in it. The outer core is liquid, while the mantle is composed of silicate rocks. The crust is the outer layer of the earth, consist of different types of rocks.
The earth was able to develop a layer structure because of the climatic change it had millions of years ago, where the hardest metal reached to its core.
Answer:
Explanation:
Hepatitis B is a viral infection. This infection attacks the liver and is a source of acute and chronic disease. It is transmitted by body fluids like blood, and can also be transmitted by sex if one is infected, or by childbirth by the infected mother. It is also transmitted if people are sharing needles or syringes. So prevention would be done by practicing safe sex, testing ourselves before we have kids, and using clean syringes and needles that nobody used before us. Besides these, there is a vaccination that is safe and works.
Most don't report symptoms when infected. But some can experience illness for several weeks and their skin starts yellowing along with the eyes, urine becomes darker, nausea and fatigue along with vomiting or abdominal pain.
Answer:
<h2>Temperature of the room.</h2>
Explanation:
<h2>Heat seeks equalibrium.</h2>
The answer is C. Savanna. Good luck!
