Question

Q.2: What do you mean by ores?
Q.3: Write down two characteristics of igneous rocks?
Q.4: What is fossils?
Q.5: Two economic importance of metamorphic rocks?
B: Distinguish between:.
Rock and Mineral
C:Fill in the blanks:.
1.
layer of the earth has Iron and nickel.
2. Rocks which have slate, marble and diamond will be known as
3. The innermost layer of the earth is
4. The common minerals found in rocks are
and
5. The term 'igneous' comes from a Latin word 'ignis' which means​

Answer 1

Explanation:

such a big question

ore

naturally occurring solid material from which a metal or valuable mineral can be extracted profitably.

fossil

the remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form.

igneous

Igneous rocks can be easily identified with their texture, density, color, and mineral composition.

metamorphic

valuable, because metamorphic minerals and rocks have economic value. building materials, gemstones cosmetics, paints, and lubricant. insulation and fireproofing.