please po need Kona po ngayon

1.Which rock is formed from the solidification of lava or magma?
a) sedimentary
b) igneous
c) metamorphic

2. Which of the following is an igneous rock?
a) granite
b) marble
c) gneiss
d) sandstone

3. Which type of sedimentary rock is made up of large, angular pieces of sediments?
a) conglomerate
b) breccia
c) limestone
d) chalk
4. Which of the following is an example of organic sedimentary rock?
a) rock salt
b) coal
c) sandstone
d) breccia

5. Which of the following best describes how scientists classify different rocks? a) By their shape
c) By how they are formed
b) By where they are found
d) All of the above

6. What is the natural process that causes one kind of rock to change into another kind?
a) weathering
b) rock cycle
c) Sediments
d) Metamorphism

7. What type of rocks are formed from sediments over long period of time?
a) Igneous Rocks
c) Metamorphic Rocks
b) Sedimentary Rocks
d) Minerals

8. Which of the following is true about rocks?
a) Coal is not considered a rock.
b) Rocks do not contain minerals.
c) Most rocks are a mixture of minerals.
d) Rocks are composed of only one mineral.

9. What type of rocks are formed by great heat and pressure?
a) Metamorphic rocks
c) Igneous rocks
b.) sedimentary rocks
d.) meteorites​