Which two particles are found in the center of an atom

Matter that emits no light at any wavelength is called

2. circled insects have mutations, or changes to their dna. how many of the offspring insects in this generation have mutations?

Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.