5. a. Identify and name the rock in the picture below. b. How is it formed?
c. Why it is called a porous rock?
d. Give two uses of the rock.

a) The rock above shown in the picture is pumice rock because it is having abundant pores on its surface. It is the only rock found with numerous pores.

b) The pumice rock is an igneous rock and we know that igneous rocks ar made from the molten magma. When the lava comes out, and cooled down it forms the igneous rocks. During this process, if there are air spaces accumulated, they form pumice rock.

c) The pumice rock is known as porous rock because it contains many pores due to air spaces inside it. This is h hence very light and floats on water.

d) The pumice rock is used as a scrubber because of its lightness and porosity. It is also used as an abrasive

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answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )