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Kamila [148]
3 years ago
12

Micronutrients can be classified based on the presence of ______ in their chemical structures. According to this classification

system, vitamins are organic and minerals are inorganic.
Chemistry
2 answers:
natali 33 [55]3 years ago
8 0

Answer:

Carbon

Explanation:

Micronutrients include elements or groups needed by the body in order to survive. These elements or groups include vitamins and minerals.  Micronutrients can be divided into four categories:

1. water-soluble vitamins

2. Fat-soluble vitamins

3. Macrominerals

4. Trace minerals

SOVA2 [1]3 years ago
7 0

Answer:

The answer is <u>Vitamins and minerals</u>

Explanation:

Nutrient molecules maintain/build human cells and tissue, power chemical reactions, and combat disease.

Micro nutrients can be divided into four categories:

  • water-soluble vitamins
  • fat-soluble vitamins
  • macrominerals
  • trace minerals.

Vitamins are organic compound which an organism requires but cannot synthesize by itself in the amount required.

Vitamins are organic compounds made by plants and animals which can be broken down by heat, acid or air. Where as, minerals are inorganic, found in soil or water and cannot be broken down.

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A scientist is unsure about the accuracy of her experiment. She has checked her equipment and found it to be in good working ord
polet [3.4K]

Answer:

D

Explanation:

The correct thing to do in this case would be to <u>repeat the experiment.</u>

The scientist would need to repeat the experiment in order to double-check the accuracy. If the accuracy is indeed doubtful, he/she can be able to trace the source of the error by repeating the experiment.

The correct option is D.

8 0
3 years ago
A scientist observes how a particular South American bird cares for its young. Why is a field study an appropriate type of scien
mixer [17]
The best answer would be A. Hope i helped
7 0
3 years ago
The work of Alexander Fleming shows that _____. A. lab accidents can be very dangerous B. results need to be confirmed by other
pashok25 [27]

Answer:

B

Explanation:

8 0
3 years ago
Read 2 more answers
Electrons are embedded in a mass of positively<br> charged matter.
grandymaker [24]

Answer:

plum pudding model .

Explanation:

the electrons were 'like plums embedded in a pudding'. Also called the Raisin Bread Model.

5 0
3 years ago
Consider the reaction: 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l); H = –118 kJ. Calculate the change in temperature when 50.
Alborosie

Answer:

ΔT = 1,41°C

Explanation:

For the reaction:

2HCl(aq) + Ba(OH)₂(aq) → BaCl₂(aq) + 2 H₂O(l); ΔH = –118 kJ.

If moles of reaction are:

HCl:

0,0500L×0,20M = 0,01moles

Ba(OH)₂:

0,0500L×0,10M = 0,005moles

The heat produced is:

0,005mol×-118 kJ/mol = -0,59 kJ = -590 J

The temperature increasing is:

Q = -C×m×ΔT

Where Q is heat (-590 J), m is mass of solution (100mL = 100g -density of 1,00g/mL) and ΔT is change in temperature.

Replacing:

-590J = -4,184J/g°C×100g×ΔT

<em>ΔT = 1,41°C</em>

<em></em>

I hope it helps!

6 0
3 years ago
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