Answer:
stryo: 1
wood: 1
ice: 1
brick: 2
aluminum: 2.7
Explanation:
d= mass/ total volume
(fyi: for aluminum, they did the subtraction wrong to find the total volume. it is actually 5 or 5.00)
Answer:
prevents pollution, reduces the need to harvest new raw materials, saves energy, reduce greenhouse gas
They are the element symbols. Too many to list here, look up a periodic table.
Answer: you've been trolled
Explanation:
