What changes does sugar undergo when heated in a spoon over the flame?
Answer:
Explanation:
a physical change and then a chemical change
Answer: Sugar is made of carbon, hydrogen and oxygen atoms. When heated over a candle, these elements react with the fire to turn into a liquid. The heat causes the sugar's atoms to combine with the oxygen in the air, forming new groups of atoms. Energy is released in this chemical reaction in the form of smoke and black soot.
Explanation:
Manufacturing is defined as transporting goods to other countries.
False
True
Answer:
False
Explanation:
Manufacturing is the act of Creating, so it would not be delivering good. That would be Transportation and Logistics
Of the following changes, which improves the organization of this passage?
A)
Move sentence 3 before sentence 1.
B)
Move sentence 4 before sentence 2.
C)
Move sentence 6 before sentence 4.
D)
Move sentence 7 before sentence 5.
To cover a rectangular region of her yard, Penny needs at least 201.5 square feet of sod. The length of the region is 15.5 feet. What are the possible widths of the region
Answer:
at least 13 feet
Explanation:
We know that the area has to be 201.5
Area is w*l and we already have the length so plug that in
15.5w≥201.5
Solve for w: 201.5/15.5
w≥13 ft