Answer:
1 It gives the cell its structure
2 It regulates the materials that enter and leaves the cell
Answer: R & D is the correct option.
Explanation:
Research and development department of a chemical industry requires individuals holding advanced degrees because :
- This will help the chemical industry to come up with new developments and advancements in preparation of the chemical products like :green methods to prepare certain chemicals which usually involves handling of toxic substances.
- Formulation and development of the new chemical substitutes
- Improvement of chemical product at microscopic level.
The reaction is extremely exothermic, producing a bright yellow light and a great deal of heat energy.
<span>https://quizlet.com/21774816/94-and-95-science-flash-cards
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C4H10+ 02= C02+ H20
explanation
a combusting is made of carbon dioxide and water.
<h3>2C4H10+13/2O2 -> 8C02+10H2O</h3>
C=4 C=1 x4 =4
H=10 H=2x5=10
O=2 x13/2=13 O = 8+5=13
