<span>Comets are made of ices, such as water, carbon dioxide, ammonia and methane, mixed with dust. These materials came from the time when the Solar System was formed.
A comet is a small object made of ice and dust that orbits the Sun and foems a coma as it approaches the Sun.
Hope this helped ☺</span>
Answer:
D. All of the above
Explanation:
Sporting officials are typically responsible for......starting and ending the competition, ensuring the game flows properly AND monitoring pregame activities.
An example of Algebra 1 problem solving question is (3 + a) + b².
<h3>What is algebra?</h3>
The Basics of Algebra are known to cover simple math areas such as numbers, variables, multiplication, division that are found in algebraic expressions.
Looking at this question, (3 + a) + b², you collect like terms;
(3 + a) + b²
= 3a + b²
Therefore, the answer is 3a + b².
Learn more about algebra from
brainly.com/question/22399890
Limestone is a type of rock is especially likely to form caves. The inside of a cave is usually made of
stalagmites<span>
and </span><span>
stalactites.
The picture below is limestone. That's the rock used to form caves.
Hope that helps! -UF aka Nadia</span>
