Answer:
Sedimentary, metamorphic, and igneous
Explanation:
Rocks are classified into three groups, sedimentary, metamorphic, and igneous. The differences are how they are formed.
Calcium, a chemical element with symbol Ca and atomic number 20. Calcium is a soft grayish-yellow alkaline earth metal, fifth-most-abundant element by mass in the Earth's crust
The process of fusion is when two atoms combine to form a lager atom, releasing energy.
Fusion is defined as the mixing of two lighter nuclei to form one bigger and heavy nuclei. For example, two atoms of hydrogen combine together to form the helium atom. It is also termed as transmutation, as one form of element is transformed into another.
An atom is the smallest unit of any substance. It cannot be further broken down into simpler units. The composition of an atom includes various subatomic particles. These are: a nucleus surrounded by various electrons. Nucleus itself is made up of two subatomic particles: protons and neutrons.
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This would be an example of negative feedback because the body isn’t trying to surpass a set point. It’s trying to maintain the amount of food in the stomach at that point.
Nitrogen Fixation- Special bacteria convert the nitrogen gas (N2 ) to ammonia (NH3) which the plants can use. Step 2- Nitrification- Nitrification is the process which converts the ammonia into nitrite ions which the plants can take in as nutrients.
