C is the answer to the question
Ammonia is a hydride,(Nitrogen hydride). It is also a base and <span>because it is a soluble base it is an alkali</span>
The greenhouse effect occurs when rays enter our atmosphere and are reflected from the ground up. They get changed during their voyage through our atmosphere and they change in such a way that they can't leave the atmosphere anymore. Then they stay inside and heat up the planet which causes thing like global warming. That's what the greenhouse effect is.
The integumentary system is the skin. Skin protects the inner organs from Bactria. Essentially the skin is a wall protecting against the outside world. It doesn't really release anything but is just there for protection.
Hope this helped!
Revivals. They would gather large groups of people together and preach for lengthy periods of time, often more than three hours. These were occumpanied sometimes by odd twitchings (the holy twitches) People falling d wn and rolling on the ground, and shouting. It helped to convert People to a certain denomination, but it is important to note that mostly women attended these revivals
