Which of the following types of coal requires the most intense pressure in order to form?
select one:
a. anthracite
b. bituminous
c. lignite
d. peat

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?

What is responsible for the uneven heating between the poles and the equator on any given day