Which of these expertise geology, zoology, physics, or chemistry are best for breeding the remaining endangered black rhinos in africa

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

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

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.