Based on the information in the map, which fossils provide the best evidence for past tectonic plates arrangement? Circle the two correct answers

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

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0