Which is the most likely way a chemist would be involved in the engineering
of renewable energy resources?
o
a. by designing materials that absorb sunlight in solar cells
o
b. by modifying algae so that they produce oil that can be used as
fuel
o
o
c. by identifying potential locations to build geothermal power plants
d. by improving the design of a windmill

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa