The appropriate answer is a. the temperature is high enough but pressure low enough to melt iron. The earth's core is composed of two layers; the inner and outer core. Both layers are composed mainly of iron and nickel. The main difference between the two layers is that the inner core is solid and the outer core is liquid. The inner core is solid because of the pressure created by the overlaying layers; the outer core, mantle and the crust. The inner core is however hotter than the outer core.
Hey There,
The answer to your question is option B) Between 200 and 500 million years old.
These rocks are younger than the Earth and also younger than rocks found on continents. (Those rocks are 4-5 billion years old.)
Best Of Luck,
- Kai -
Answer:
Native Americans
Explanation:
Shows that the population existing on north america have been here since the beginning / first to settle there , thus the use of the word native
<span>Cyclone low-pressure storm of high winds that develop over water are called : Tropical cyclone.
During this process, the rotating storm happened within a closed -low level atmospheric circulation with spiral arrangement of thunderstorm, which will resulted in heavy amount of rain.</span>
Answer:
C
Explanation:
The rain forest zone contains an abundance of plant species available for pharmaceutical research and attempt at the synthesis of new drug compounds. The abundance of rainfall helps these many plant species to thrive and are available for use in the development of new drugs.
