In scientific classification, the number of major groups that organisms can be divided into is . The classification system most scientists use included kingdoms.

In scientific classification, orders are divided into .

Which system revise and send electrical signals throughout the body

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?