Which of the following factors determines how harmful an introduced chemical will be on the environment? a. type of chemical b. concentration c. weather conditions d. all of the above Please select the best answer from the choices provided A B C D

Option D

Explanation:   Chemicals are usually defined as those substances that are     comprised of matters and have a certain chemical composition. Almost all    living and non-living things are made up of chemicals. They are very  extensively used in all the products. These chemicals are both helpful as well as harmful to different life forms.

These chemicals can be harmful to an environment if the chemical is comprised of toxic elements and in greater amount.

D.  All of the above

Step-by-step explanation:

18.85

*You should run the numbers yourself as well. Sometimes different calculators will get marginally different numbers or use a different rounding for that gives a slightly different answer*

Step-by-step explanation:

Surface area of a cylinder:

Where h is the height and r is the radius. Remember that the radius is half the diameter, and the diameter is a straight line that passes through a circle.

I could be wrong, but I think you had the correct equation but used the diameter in stead of the radius to get 50.36.

Radius: 1   Height: 2

Plug numbers into equation:

I hope that helps!