Answer: e. microscopic spherules and macroscopic meteor debris.
Explanation: Cosmogenous sediment is obtained from extraterrestrial sources, and it exists in two primary forms which are microscopic spherules and larger meteor debris. Microscopic spherules consists mostly of silica or iron and nickel, and are thought to be ejected. Macroscopic meteor debris is obtained from collisions of meteorites with Earth. These collisions release particles into the atmosphere these eventually settle back down to Earth and contribute to the sediments.
Answer:
A
Explanation:
They mostly rely on the agricultural sectors of their economies
Answer:
Population Density = Number of People/Land Area.
Explanation:
Learn the formula.
To calculate the population density, you will divide the population by the size of the area. Thus, Population Density = Number of People/Land Area. The unit of land area should be square miles or square kilometers.
Answer:
<u>Oxygen</u> is the most abundant non-metal found in the Earth's crust.
Explanation:
The most abundant of the other nonmetals in the Earth's crust is oxygen which is the single most abundant element in the Earth's crust.
Water is also made up of the two nonmetals oxygen and hydrogen in which we found Oxygen the most abundant.
<u>Answer:</u>
Scientific progress is when there is some advancement particularly in the field of science by collection of knowledge and this leads to more addition to this knowledge after this progress.
But when there is a lot of research in this matter, this leads to the formation of the law which states a fact but normally does not tell what and how does that phenomenon happen but only after a lot of research.
