When an object has the gravity to pull itself into a sphere, astronomers say that it's in hydrostatic equilibrium. And that's why the Earth is round. Of course, the Earth isn't perfectly round. Because it's turning on its axis approximately once every 24 hours, the Earth's equator bulges outwards.
Answer:
It is called <u> </u><u>Electromagnetic</u><u> </u><u>wave</u><u> </u>
Explanation:
• An electromagnetic wave is a wave formed as a result of vibrations, or disturbances between Electric and magnetic fields.
• Examples;
- Gamma rays
- Visible light
- Ultraviolet rays
- X-rays, e.t.c
» These rays move at a speed of light in vacuum
![{ \mathfrak{speed : \: { \rm{3.0 \times {10}^{8} \: {ms}^{ - 1} }}}}](https://tex.z-dn.net/?f=%7B%20%5Cmathfrak%7Bspeed%20%3A%20%20%5C%3A%20%7B%20%5Crm%7B3.0%20%5Ctimes%20%20%7B10%7D%5E%7B8%7D%20%20%5C%3A%20%20%7Bms%7D%5E%7B%20-%201%7D%20%7D%7D%7D%7D)
» These rays are not affected by any fields [ Electric and magnetic fields ]
C outer core
good luck :P
Answer: C. Population clusters in cities
Increase in the world’s population can be affected by improved medical care, decreasing death rates, and modern farming techniques. Thru improved medical care, there will be less death due to illnesses. Thru modern farming techniques, there will be no famine that is a cause of death also.
Population clusters in the cities will increase the population in the city but not the population in the world as a whole.
Answer:
A. On moving water
Explanation:
The canoeing is a sport that is practiced both on moving and calmer waters. The canoeing on the fast waters though seems to be preferred as it is more attractive and more extreme. Unfortunately, those type of waters are very unsafe, as they are quick, there a lot of turns, they are a bigger angle, and there's lot of rocks usually. All of these things are responsible for lot of accidents, and there are lot of people that end up injured or even end up dead.