What gives elements in a family or group similar properties? a. the same atomic mass b. the same number of protons in their nuclei c. the same number of electrons in their outer energy level d. the same number of total electrons?

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Modern weaponry has increased the number of deaths in wars and violent conflicts.