PLS HELP Use this table of a school bus during morning pickups to answer the question.

What is the average speed of the bus between 2.8 km and 4.2 km?
A.) 42
B.) 50
C.) 52
D.) 55

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules