How many grams of diphosphorus trioxide are required to produce 10.2 moles of phosphorus acid

Embryos of different species look very similar, which shows that the organisms share a ancestor.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Which statement best explains the relationship between an area is geography and the temperature of its surface water