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german
3 years ago
12

Which sequence of events best summarizes how multicellular animals get energy and nutrients for growth, movement, healing, and o

ther activities? O A. Digest food - Use nutrients from food Eat food O B. Use nutrients from sunlight – Make food - Digest food O C. Absorb sunlight Take in inorganic molecules Make food O D. Eat food – Digest food Use nutrients from food​
Chemistry
2 answers:
d1i1m1o1n [39]3 years ago
8 0

Answer:

The correct option is D

Explanation:

Multicellular organisms are organisms with more than one cell (usually having different cells exhibiting specialized functions). Examples of this organisms are mammals. These organisms generally look for food, <u>eat this food, process/metabolize this food in order to derive nutrients from them</u>. From the explanation above, it is clear that the correct option is D.

pashok25 [27]3 years ago
7 0

Answer:

D. ∆pex

this is only being written because I need 20 characters

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What is the type of weak bond between the hydrogen of one molecule and the nitrogen of another molecule, where the two don't act
Aliun [14]
<h2>Hydrogen Bonding</h2>

Explanation:

  • Hydrogen bonding is a type of weak bond.
  • Hydrogen Bonding occurs when the hydrogen atom of one molecule is bonded with a molecule of high electronegativity element like nitrogen of another molecule.
  • It is a type of dipole-dipole interations.
  • The nitrogen is a highly electronegative element that forms a weak bond with the hydrogen atom of another molecule with dipole-dipole interaction.
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Question 14 A student dissolves 1.5g of styrene C8H8 in 225.mL of a solvent with a density of 1.02/gmL . The student notices tha
Yuki888 [10]

We must to know:

Cm = molarity = niu / Vs, when the niu = no. of moles and Vs = Volume of solution

the no. niu = mass / molecular mass of substance

molecular mass of C8H8 = 12x8+8x1 = 104 g/mol

=> niu = 1,5 / 104 = 0,0144 moles C8H8

=> Cm = 0,0144/0,225 = 0,06 mol/L

Cmm = molality = niu (C8H8) / mass of solvent (kg)

=> p = mass / V => mass (solvent) = p x V

=> 225 x 1,02 = 229,5 g solvent = 0,2295 kg solvent

=> Cmm = 0,0144 / 0,229,5 = 0,063

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Answer:

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