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Alja [10]
2 years ago
12

(90 PTS) PLS HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!What type of environment do sedimentary rocks form in? Wher

e do metamorphic rocks form? Keep in mind the rocks at the Great Unconformity when answering. Explain in 2-4 sentences
Chemistry
2 answers:
miv72 [106K]2 years ago
4 0

Sedimentary Rocks: You can find different types in riverbeds, ponds and coasts and throughout the oceans.

Metamorphic rocks: They can be formed by pressures deep inside the Earth.

Savatey [412]2 years ago
3 0

Sedimentary rocks form where there is water, like streams, rivers and the coast. At the Great Unconformity, sedimentary rocks form near the top as they are younger.


Metamorphic rocks form where there is extreme pressure and/or heat, such as deep underground or in a volcano.  At the Great Unconformity, metamorphic rocks are at the bottom as they are older.


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Complete the sentences about heme. Some terms will not be used. The prosthetic group of hemoglobin and myoglobin is . The organi
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Explanation:

Haemoglobin consists of heme unit which is comprised of an <u>Fe^{2+}</u> and porphyrin ring. The ring has four pyrrole molecules which are linked to the iron ion. In oxyhaemoglobin, the iron has coordinates with four nitrogen atoms and one to the F8 histidine residue and the sixth one to the oxygen. In deoxyhaemoglobin, the ion is displaced out of the ring by 0.4 Å.

The prosthetic group of hemoglobin and myoglobin is - <u>Heme</u>

The organic ring component of heme is - <u>Porphyrin</u>

Under normal conditions, the central atom of heme is - <u>Fe^{2+}</u>

In <u>deoxyhemoglobin</u> , the central iron atom is displaced 0.4 Å out of the plane of the porphyrin ring system.

The central atom has <u>six</u> bonds: <u>four</u> to nitrogen atoms in the porphyrin, one to a <u>histidine</u> residue, and one to oxygen.

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2 years ago
WILL GIVE BRAINYEST! please help
RoseWind [281]
The answer is c i need brainlyest plz 
5 0
3 years ago
The energy required to break existing chemical bonds in reactants is called the ______ energy.
mixer [17]

The energy required to break existing chemical bonds in reactants is called the activation energy.

<h3>What is activation energy?</h3>

Activation energy in chemistry is the energy required to initiate a chemical reaction.

Chemical reactions involve the breaking of chemical bonds in substances called reactants to form new substances called products.

The energy required to break the bond in the existing reactants thus elevating these substances to a state of high activation is known as activation energy.

Therefore, it can be said that energy required to break existing chemical bonds in reactants is called the activation energy.

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8 0
2 years ago
Atoms of which element have the most valence electrons?
grin007 [14]

Explanation:

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What defines an element?
Troyanec [42]

element is made up of only one type of atoms.

it is pure form of matter

example hydrogen, oxygen, carbon etc

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