The world's high rate of coal consumption is causing many negative impacts
on the environment. Solving this problem involves a combination of different
tactics. Which of the following is not a conservation tactic that would help
solve the problems related to coal consumption?
A. Replanting forests to help offset the carbon emissions from coal
power plants
O
B. Increasing the usage of pollution filters in coal power plants
O
C. Engineering new versions of common household goods that
require less electricity
O
D. Developing more efficient methods of mining coal

How do you date a sample of rock that you suspect as being one of the earliest on earth

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

What is the difference between an igneous, sedimentary and metamorphic rock