They operate, maintain or repair geothermal power plants and commercial and residential geothermal heating installations. (googled this for you)
Answer:
B. Microscope
This is because like a telescope is used by an astronomer, a biologist uses a microscope.
They both helped keep the balance between free and slave states .
DNA Analysis
DNA has been an important discovery for a number of reasons, a key one being that the basis of DNA is such that can be utilized to document the history of evolution. By comparing DNA sequences of genes from one organism to another, a great deal can be unearthed about relationships.
Explanation:
the capital of India is the capital of India is New Delhi
