Answer:
Total amount of alum lost = 0.5122 grams
Explanation:
Let the total volume of the solution be 100 mL
In 100 mL of solution, there is 2.63 gram of alum.
Out of this 100 mL solution, 42.5 mL is remaining.
Amount of alum in 42.5 mL solution is
grams
Now the amount of alum lost is 
grams
Answer: endothermic
Explanation:
The cake (the subject) is receiving heat from the oven (its surroundings) in order to bake.
I am
you are
he is
she is
we are
These two factors are:
*radiation coming into the Earth's atmosphere
*radiation going out the Earth's atmosphere
These two factors could be lumped into one natural phenomenon called the greenhouse effect. The Earth's atmosphere is a very unique characteristic in the solar system because it makes the planet livable. Without the atmosphere's work, the day would be too hot and the night would be too cold. The trapping of radiation, hence heat, keeps the overall temperature of the Earth.
Answer:
Mostly abundant Coral reef ecosystem
Explanation:
We know that,
There are 7 ecosystem in puerto rico but the grouper fisher such as nassau grouper is one of them that present in coral reef ecosystem.
Nassau grouper fish is one of the grouper fish that present in puerto rico island. It is now announced as danger in the US, and as risk by the International Union for Conservation of Nature.
Hence, Coral reef ecosystem is the most abundant in Puerto Rico
