Answer:
The Earth has different compositional and mechanical layers. Compositional layers are determined by their components, while mechanical layers are determined by their physical properties. The outermost solid layer of a rocky planet or natural satellite. ... The Earth has an outer core (liquid) and an inner core (solid).
Explanation:
Highwall mining is often used when excavating an open-pit mine becomes too expensive. There are many advantages over underground mining, including the fact that it is both more cost-effective and involves less lead time.
The correct answer is - e. longer life expectancy.
The chronic diseases most commonly affect the older population, due to the weakening of the body as it gets into the latter stages of its existence. Since the life expectancy has increased significantly in the last century, and it is further increasing, even though with lower tempo nowadays, there's more and more people that reach older life, thus the number and percentage of the chronic diseases is ever-growing, especially in the developed countries where the population is in general aging as well.
Answer:
6 seeds will grow
Explanation:
An easy way to simplify is like this
9/30 -> Find a common factor (3)
9 sprout per 30 planted
Divide both sides by GCF(3)
3/10
3 sprout per 10 planted
x/20 = 3/10
How do you change that 10 into a 20?
Multiply by 2 = 6/20
So, 6 seeds sprout per 20 planted
B. Revolution. I think?
(And sorry you had to wait a whole year!) :0
