Which statement is always true when nuclear fusion occurs?(1 point) A) The total number of protons and neutrons in each nucleus remains constant.

B) The number of protons in the resulting nucleus is less than in each starting nucleus.

C) The number of protons in the resulting nucleus is double that of a starting nucleus.

D) The combined number of protons and neutrons remains constant.

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.