<span>Well, there are five layers in the Earth's Atmosphere:
(In order from the inside out)
1) Troposphere
- This is where weather occurs.
2) Stratosphere
- This is the layer where jets fly, this is where jet-streams are found
3) Mesosphere
- Meso ("Middle") named because it is in the middle. This is where meteros burn up in the atmosphere.
4) Thermosphere
- Thermo ("Heat") Names because it is the hottest layer in the atmosphere. This is where the aurora borealis, or northern lights occur.
5) Exosphere
- Exo ("Outer") This is the outmost layer and it is where the atmosphere merges with outer space.</span>
The question is incomplete as it does not have the options which are:
artificial
enhanced natural
extraterrestrial
manmade
Answer:
Enhanced natural resources
Explanation:
Natural resources are the resources used by the humans for survival present in the environment or provided by the surrounding environment.The natural resources includes the wood, gas, air, water and other substances.
The substances which emits harmful radiations like radium, thorium, uranium are known as radioactive isotopes.
When these ionizing radiation emitting natural substances increases in the environment due to human activities like the particle accelerators, X-rays and other methods which produces these substances then these substances are refereed to as the enhanced natural substances.
Thus, Enhanced natural resources is the correct answer.
Mostly, it would be social scientists however, some biologist could also explain these behavioral characteristics and temperaments like geneticists and cognitive scientists.
Variables and factors like the biological, environmental and evolutionary component of how a trait is unearth by these experts.
