#1: 2h2o + 2k (s) 2koh (l) + 2h2 (g) is an example of which type of reaction?
a. single-displacement
b. combustion
c. decomposition
d. double-displacement

Becquerel expected to find ( he developed the photographic plate that had sun-exposed minerals on top of it. becquerel expected to find ( he developed the photographic plate that had been in the closed drawer.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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