Answer:
Additionally, certain social media behaviors influence how we think and how we feel—we crave attention on social media thanks to a hormone called dopamine. Dopamine is one of the brain's neurotransmitters and the “feel-good” hormone that helps regulate emotional responses and other functions, such as motivation
Explanation:
Grips the bars unable to leave with frank is correct
Each guide was helpful, but we forgot to thank them.
You should use the plural pronoun, because we don't know whether the guides were only males, or females, or whether there were both sexes.
Electricity today is a very important source of life. Almost all life activities depend on electricity. Power cuts or power outages cause some activities to stop. Power outages are caused by other electrical activities, of course, which have the same path. For example, the installation of several towers or power poles, time-consuming cable repairs. In addition, there are causes outside of electrical activity, namely the occurrence of fire disasters. To avoid things that are not desirable, of course, must be quick to respond to this by turning off electricity en masse. What can happen, of course, is that neither party benefits.
