Answer:
bronze, copper
Explanation:
bronze is used to make medals and carve statues
copper is used to make wire and utensils
Answer:
Mass cannot be created or destroyed
Explanation:
The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
Answer:
No streak of light will appear.
Reason I given below.
Explanation:
No streak of light will be seen.
This is because as it falls to the moon, the gravitational pull plus the dense atmosphere which was necessary to produce friction when it fell to the earth are not present in this case and as such the whole meteor is not burnt like it did when it fell to the earth.
Answer:
C - commas indicate a natural pause in the sentence
Answer:
elements:4
Atoms:7
Explanation:
Elements: Na (Sodium), H (Hydrogen), C (Carbon), and O (Oxygen)
Atoms: 2*Na (Sodium), 1*H (Hydrogen), 1*C (Carbon), and O (Oxygen)*3