Thomas has a train collection. he was given 1 train as a gift, and he adds 2 trains per year. which of the graphs below represents thomas's train colection

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Can someone me do math because i am having a breakdown rn because i don’t get it

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms