7. The power rating of an electric lawn mower is 2000 watts. If the lawn mower is used for 120 seconds, how

many joules of work can it do?

What were four different ways scientist used to get information about the evolutionary history of species?

During the tertiary stages of wastewater treatment nutrients such as phosphorus and nitrogen are added to the water. true or false

Group name given to the first life forms which developed on earth about 3.8 billion years ago

The gas (es) that has/have the greatest relative contribution to increasing the greenhouse effect is/are

What is the reproductive role or purpose of the c'litoris?

Inner membrane of mitochondria evolved from

What would most likely happen to life on Earth if the carbon cycle stopped? Life would continue unchanged. Life would conse to exist. Only plants would be affected. Only animals would be affected.

Based on the pattern of nutrition, all animals are classified as?

What happens during m phase of the cell cycle

Identify the plant tissues