Answer: Lignite Bituminous and Anthracite, are the correct answers.
There was no other way to make phone calls.
The length of one leg of the triangle is 7 units. In a 45−45−90 triangle the two shorter sides are equal since it is also an isosceles triangle.
What is triangle?
A triangle is a three-dimensional shape with three sides, three angles, and three vertices. A triangle is another name for a polygon.
Using Pythagoras' theorem as
x=√49/2
x=7√2
As a result, 7 unit is correct option.
Learn more about on triangle,here:
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<span><span>Porosity is the amount of empty space in a rock or other earth material (like sand) - in other words, it's how much water a material can hold.
Permeability refers to how well water flows through a material - the flow is controlled by how large the pores are and how well connected the pores are in a given object.</span><span>Therefore, there these are two primary factors that limit the movement and the amount of water (or other fluids) retained in rocks/sedimentary materials.</span></span>
Answer:
Population pyramids are important graphs for visualizing how populations are composed when looking a groups divided by age and sex. There are three trends in population pyramids: expansive, constrictive, and stationary.
Explanation: