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A. sperm
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B. eggs
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C. spores
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D. seeds
Answer: Spores
Explanation: I took the test
Answer:
conservation of matter and energy
Explanation:
An atom of hydrogen and an atom of carbon are known as hydrocarbons Or hydrogen atom bonded to carbon backbone.
Hydrocarbons are defined as an atom of hydrogen and an atom of carbon are known as hydrocarbons Or hydrogen atom bonded to carbon backbone. Carbon has been known as the element which has a chemical by nature and it has been represented by C and the atomic number of carbon has been 6. The atomic mass of carbon would be 12.011 u and the carbon contain 2, 4 electrons per shell with its electronegativity of 2.55 .
The main function of the carbon compounds has to maintain earth's atmosphere and temperature and to supply energy that must works as the fuel for our economy.The atomic structure of the carbon has been designed in such a manner that it must contain 6 number of electron, 6 number of protons, and 6 number of neutrons.
Therefore, An atom of hydrogen and an atom of carbon are known as hydrocarbons Or hydrogen atom bonded to carbon backbone.
Learn more about hydrocarbons here:
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Answer:
B. A body of igneous rock that forms within Earth's crust
Explanation:
Igneous rocks are of two types: intrusive and extrusive. The extrusive igneous rocks are formed by cooling of lava on the earth surface. The intrusive igneous rocks are formed when the magma cools down within the earth's crust. The intrusive rocks are also called as plutonic rocks. Hence, pluton is a body of an intrusive igneous rock.
Answer: Most likely to narrow down soil sample matches:Soil color
Explanation:
Investigating soil characteristics like water content, age, and mineral composition, can be very important in the figuring out soil sample matches. Along with soil processes, which include carbonate makeup, chemical changes and changed organic matter; these factors can all be determined by looking at soil's most obvious physical property, color.
For instance, red or yellow soil shows the presence of iron oxides and dark colored soil is likely to contain higher amounts of organic matter (decayed vegetation and animal remains). Thus, soil from closely related sites should show matching characteristics, and color analysis allows for the full analysis of soil sample matches of the same profile.
Answer:
Presence of rare minerals or artificial debris
Explanation:
In the lesson it clearly states, "Rare minerals and rocks or artificial debris can narrow down possible soil matches." This is also in the science journal.
(2. Nonnative species )
(3. Natural species )
That (1. Competes for)
(2. Shares)
Resources with native plants.
Answer:
3 number is the right answer of the following