Which of these is an example of chemical weathering? Group of answer choices

A Sediments blowing away by air

B Rock breaking up due to acid rain

C Rock breaking up due to mechanical force

D Sediments settling down in a new location

The answer is B. Rocks breaking due to acid rain.

Explanation:

Chemical weathering is the breaking down of minerals due to any chemical substance in the form of rain or any type of possible weather that can be categorized in this (chemical weathering) section.

Acid is a chemical and this can also form a reaction that is dissolved in water, and causes the breaking down of rocks to the touch of acid rain.

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !

this is an outline for the decisions that frankie is going to make

opportunity cost

willingness to buy

price or quality

of course, there could be many economic strategies that should be considered important while making decision. opportunity cost is the foremost significant factor while considering any economic option. when you buy something, you should know how much you are forgoing for this product. indeed, you could buy something different with this measure if you changed your mind. willingness to buy shows how much surplus you are earning while making a decision. it is important because it shows you buy what you want or you buy because you have only limited amount of money. the price or quality can be considered as a general economic option that we are applying while buying something. when you buy something, price or quality could be one of the options. indeed, they define the characteristics of the product.    

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