Answer:
Position is the location of the object (whether it's a person, a ball, or a particle) at a given moment in time. Displacement is the difference in the object's position from one time to another. ... Displacement is a vector quantity (direction matters), where as distance is a scalar (only the amount matters).
I think it's the first and second option but I could be wrong because I don't know much about deserts :)
The answer is B
Germination is when a seed starts to grow after a period of dormancy
No she needs to collect more data like for example have them run 60 meters and then 90 meters then take the average of the dog and cats time
Heating is still done largely by burning fuels, like it has been in the past, although people now have central heating to circulate the warm air throughout the house. Some people use electric heaters and people used to use cool water to cool their houses. Now people use electric air conditioners.