Which of the following will dissolve more sugar? a) a cup of ice water b) a cup of room-temperature water c) a cup of hot water < this one?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

Chromosome 17 is made of over million base pairs.

If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3