Physics
Physics, 25.09.2019 22:40, gabiii262

Ineed i need it before d: 10pts+5pts!
1. an intrusive igneous rock is fine-grained and formed when lava cools and solidifies.
*true
*false
2. minerals are the building blocks of rocks where rocks are the sum of one or more minerals.
*true
*false
3. most igneous, sedimentary and metamorphic rocks are composed of minerals.
*true
*false
4. plate tectonic forces are responsible for which of the following?
*adding rock material to earth's surface
*removing rock material from the earth's surface
*both adding and removing rock material from the earth's surface
*plate tectonics does not effect the earth's surface
5. which of the following is the best example of physical weathering?
*the cracking of rock caused by the freezing and thawing of water
*the transportation of sediment in a stream
*the wearing away of rock due to acid rain
6. what are the two most common elements in the earth's crust?
*oxygen and silicon
*oxygen and hydrogen
*silicon and helium
*helium and hydrogen
7. minerals may form a crystal based upon their atomic structure. what controls the atomic structure in a mineral?
* the rock in which it is found
* an array of atoms bonding together
*the number of atoms in the mineral
* the area in which it is found
8. are essential ingredients in food, medicine, fertilizers, and building materials.
* carbons
*rocks
*minerals
*chocolate chip
9. compounds can form from two nonmetals by sharing their electrons in a
*ionic
*metallic
*covalent
*cation exchange
10. what is the difference between lava and magma?
*they originate from different places
*they are made of different types of rock
*they are different colors
*after magma reaches the surface it's called lava
11. an atom that has an excess positive or negative electrical charge caused by the loss or addition of an electron is called a(n)
*proton
*ion
*electron
*neutron

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