Answer:
<em><u>1. Work is activity involving mental or physical effort done in order to achieve a purpose or result.</u></em>
<em><u>2. Positive work and Negative work.</u></em>
Explanation:
<u><em>1. Work is defined as a force causing the movement—or displacement—of an object. In the case of a constant force, work is the scalar product of the force acting on an object and the displacement caused by that force.</em></u>
<u><em>2. Positive work is when the force and the displacement are in the same direction and Negative work is when the force and the displacement are in the opposite direction.</em></u>
the other ans is wrong: correct ans is A. most media attention
There was very fertile land which allowed for plentiful farming, the soil was ideal for farming, this promoted growth
The main problem caused by water pollution is that it kills organisms that depend on these water bodies. Dead fish, crabs, birds and sea gulls, dolphins, and many other animals often wind up on beaches, killed by pollutants in their habitat (living environment).
