Answer: the steel wool in the 3.0 M HCl reacts fastest.
Explanation:
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.
Human activities in the united states such as burning fossil fuels for electricity, heat, and certain transportation.
hope this helps :)
Answer: Bam
Explanation: Scientists are able to understand Earth's interior by studying seismic waves. ... Seismic waves travel at different speeds when they pass through different types of material, so by studying seismograms, scientists can learn a lot about Earth's internal structure.
