1. Expla
2. State four hazards encountered at school.
3. Explain why toxic chemicals are classified as hazard.
4. Give two reasons why fuel tankers have warning and safety signs pasted at their back.
5. State five safety precautions against accidents on our roads.
6. (a) What is protective clothing?
(b) Give three examples of protective clothing and state what each does.
7. Explain why hazards are dangerous.

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Each of the following reactions is allowed to come to equilibrium and then the volume is changed as indicated. predict the effect (shift right, shift left, or no effect) of the indicated volume change. drag the appropriate items to their respective bins.co(g) + h2o(g) < => co2(g) + h2(g) (volume is decreased) pcl3(g) + cl2(g) < => pcl5(g) (volume is increased) caco3(s)< => cao(s) + co2(g) (volume is increased)

What is true for a substance that releases energy