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SVETLANKA909090 [29]
3 years ago
8

The most laterally placed of the three erector spinae components, the ___________ group, is composed of three parts: cervical, t

horacic, and lumbar.
Chemistry
2 answers:
BabaBlast [244]3 years ago
4 0

Answer:

Iliocostalis group.

Explanation:

Iliocostalis is a muscle located at the back of the body of a human, it is one of the three columns of the individual muscles that are composed of fascicles that are laterally placed. This group of muscles helps in bending to the side, bending backwards and in the rotation of the spinal column. The cervical part of iliocostalis is the upper part that extends from the upper ribs to the side projections of the cervical vertebrae in the neck, the thoracic part is the middle part of the iliocostalis that extends from the lower to the upper ribs while the lumbar part of iliocostalis is the lower part that extends from the upper part of the hipbone to the lower ribs.

schepotkina [342]3 years ago
3 0

Answer:iliocostalis group

Explanation:

It's located on the back of the human body and here are some of what this group do;

• Acting together, muscles of each consistuent region extend and maintain erect posture of vertebral column in their respective region.

• Acting singly, laterally flex vertebral column in their region.

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Which of the following reactions Shows a chemical change producing a gas? APEX
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Answer:2CH_3OH(l)+3O_2(g)\rightarrow2CO_2(g)+4H_2O(l)

Explanation: A chemical change is a reaction in which chemical composition of the substance changes. Some bonds are broken and some new bonds are formed.

The reactants are written in terms of their chemical formula on the left hand side and the products are written in terms of their chemical formula on right hand side with a arrow in between. The chemical symbols are followed by their physical states such as (l) for liquid, (s) for solid, (g) for gas and (aq) for aqueous.

Thus the only reaction producing a gas is 2CH_3OH(l)+3O_2(g)\rightarrow2CO_2(g)+4H_2O(l)

4 0
3 years ago
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Answer:2-liver because it doesnt belong to digestive system

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Explanation:

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2 years ago
Which of the following facts about the ocean water indicates that the ocean is a major resource of nutrients?
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A 75 g piece of gold (Au) at 1000 K is dropped into 200 g of H2O at 300K in an insulatedcontainer at 1 bar. Calculate the temper
Arturiano [62]

Answer:

the final temperature is T final = 308 K

Explanation:

since all heat released by gold is absorbed by water

Q gold + Q water = Q surroundings =0 (insulated)

Assuming first that no evaporation of water occurs , and denoting g as gold and w as water , then

Q gold = m g*cp g* ( T final - T initial g)

Q gold = m w*cp w* ( T final - T initial w)

where

m= mass

cp = specific heat capacity

T final = final temperature

T initial g and T initial w =  initial temperature of gold and water respectively

thus

Q gold + Q water = 0

m g*cp g* ( T final - T initial g) + m w*cp w* ( T final - T initial w) =0

m g*cp g* T final + m w*cp w* T final =  m g*cp g* T initial g+ m w*cp w* T initial w

T final = (m g*cp g* T initial g+ m w*cp w* T initial w)/(m g*cp g+ m w*cp w)

replacing values and assuming cp w = 1 cal/gK = 4.816 J/gK and cp g = 0.129 J/gK (from tables), then

T final =  (75 g*0.129 J/gK* 1000 K + 200 g * 4.816 J/gK * 300 K )/(75 g*0.129 J/gK*+ 200 g * 4.816 J/gK ) = 308 K

T final = 308 K

since T boiling water = 373 K and T final = 308 K , we confirm that water does not evaporate

therefore the final temperature is T final = 308 K

3 0
2 years ago
When something heats up, new energy is created, and when something cools down, energy is destroyed. agree disagree
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Disagree because in the law of conservation of mass, it states energy cannot be created or destroyed
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3 years ago
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