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Xelga [282]
3 years ago
7

Which of the following mechanisms is NOT a way that a carbon atom could enter the atmosphere?

Biology
1 answer:
Blababa [14]3 years ago
8 0

Answer:

photosynthesis

Explanation:

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Soils contain small or trace amounts of many minerals, including the chemical elements phosphorus, calcium, potassium, magnesium
serg [7]

Answer:

Magnesium, calcium, phosphorous, sulfur these are essential nutrients for plants. These are required in trace quantity but are very important for plant life. Point A. will be correct answer.

Explanation:

As in B. starch n cellulose are composed of only carbon, oxygen and hydrogen.

As in C. These elements are not required on special occasion but are necessary throughout plant life.

As in D.  C H N O  is the primary component plants need but these secondary nutrients are equally necessary for growth n structure of plant.

<u><em>So answer A. Is the correct option.</em></u>

Calcium plays the most important role in structure formation of plants. Also act as messenger molecule in signaling. Deficiency  of calcium caused wilting , weakened stem and ultimately death of plant.

Magnesium is the key element in chlorophyll molecule. It is necessary for chlorophyll formation.

Sulfur is another very important element in plant life, it is necessary for protein synthesis in plants.

Phosphorous plays an important role in  process of cell devision , photosynthesis and respiration.

Potassium is very crucial in gaseous exchange ,it operates the opening and closing of stomata.

3 0
2 years ago
All of the alkali earth metals, Group 2, have two valence electrons. Which of these would represent the oxidation number of the
stiv31 [10]
Plus 2 should be your answer
6 0
3 years ago
Sickle disease cell is a recessive genetic disorder. How many copies of the mutated gene (HbS allele) do you need to develop ful
solmaris [256]

Answer:

<u>It takes two copies of the mutant gene.</u>

Explanation:

<em>One from each parent, to give somebody the all-out sickness. Numerous individuals have only one duplicate, the other being typical.</em>

<em />

Hope this helped and have a great afternoon!

<em>~ChokieWokie~</em>

6 0
2 years ago
Which of the following is a secondary color?<br> A. blue <br> B. orange <br> C. red <br> D. yellow
Grace [21]
Orange i hope this helps you
4 0
3 years ago
Who came first? hen or egg<br>explain?​
Bingel [31]

Answer:

Egg came First

7 0
2 years ago
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