Tick the correct answer :
1) In general rocks are ofa) two typesb) three typec) four types. The correct answer is b They are : igneous, sedimentary and metamorphic.2) Igneous rocks are divided into a) two main categoriesb) three main categoriesc) four mnain categoriesThe correct answer is: a3)Rocks have been used by Homo sapiens and othe hominidis for: a) more then 1 million yearsb) more than 2 millionsc) more tan 3 millions years. The correct answer is b Exercise : Complete the sentences with the correct word;1) Rocks have had a huge impact on ther culture and... advancement of the human race. Techonogical2) in Geology, rock is a naturally occurring aggregate of... and/or mineraloids mineral3) Rocks are classified by mineral and... composition ... of the constituent particles; ...that formed them.chemical- by the texture- by the processes 4) Sedimentary rocks are formed by deposition of...sediments.Clastic5) Sedimentary rocks are also formed by organic..., or chemical precipitates.Matter6) The temperature and pressure are always... than those st the Earth's surface.higher7) The prehistory and history of civilaziot is classified into The Sronwe Age, ...Age, and iron Age.Bronze8) Nowadays rock continue to be used to construct.. and infrastructure.Buildings
The end*** thank you for a virtual lesson !!!***