the machine shown in the diagram is called a tramp.
the height of the tramp is 5 and the length is 12
Speed x time = distance
Distance divided by time = speed
500 divided by 5
Speed = 100
Answer: 1. Carbon dioxide is not an air pollutant
Explanation: it can be toxic and or safe
A statement would be to the effect that plants use oxygen as part of photosynthesis
Tooth fillings are often made of gold or porcelain because these materials are nonreactive.
b. nonreactive.
