Select all that apply. Two great science and mathematics ideas from the Gupta Empire are
the prediction that the earth was round
major advances in calculus
the belief that the earth rotated on an axis
invention of the binary system

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

Which of the following is a responsibility of a scientist