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nalin [4]
3 years ago
8

Will give brainliest to people that help me with these

Biology
1 answer:
Firlakuza [10]3 years ago
7 0

Answer:

here you go hope it helps you with your question

Explanation:

because nitrogen is required for growth it is considered an essential nitrate so true

converting nitrogen from a gas to a useable form by bacteria is denitrification is true two

the movement of chemicals on a global scale  from abiotic through biotic parts of the environment is a lithospheric process true

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A client with dementia and a percutaneous endoscopic gastrostomy (PEG) tube is being cared for at home. Which action provides ev
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Answer:

one should check the  following things and actions  

Explanation:

1. after the medication the tube is flushed properly

2. Empty feeding bag stays attached to the tubing.

3.  the tube is being replaced after every week

4. after the feeding the head of  the bed remains elevated.

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6 0
3 years ago
California condors (Gymnogyps californianus) are listed on the IUCN Red List as being critically endangered. Since 2003, the Cal
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Answer:

 ≈ 572

Explanation:

<u>Predict the size of the California condor in 2022</u>

we can predict this value with this relation below

Nt  =  No*e^(rt)  --- ( 1 )

where ; Nt = Future population , No = initial population,  r = intrinsic rate of increase ,  t = time

No = 235

r = 0.089

t = 2022 - 2012 = 10

Insert values into equation  1

Nt = 235 * e^( 0.089 * 10 )

    = 235 * e^0.89

    ≈ 572

Therefore the size of the California condor population in 2022 ≈ 572

4 0
3 years ago
QUESTION 1
nata0808 [166]

Answer:

According to the sliding-filament model of contraction, the muscle contraction occur due to the myosin heads propel the actin myofilaments toward the center of the sarcomere. This pulls the Z disks closer together, shortening  sarcomere and the entire muscle

Explanation:

In the muscle fiber there are two proteins that facilitate the process of contraction, myosin and actin. Myosin is thicker and more abundant than actin, and its interaction is responsible for the process of muscle contraction.

Both molecules, myosin and actin, form bonds -called cross bridges- where the myosin heads produce the mobilization of actin towards the center of the sarcomere. Z discs are associated with actin myofibrils, so they come close, and promote the shortening of the sarcomere.

This process requires the action of calcium ions, which depolarize the muscle cell and consume energy in the form of ATP.

It should be noted that the myosin and actin molecules do not change their length, but their action causes the muscle fibers to shorten during contraction.

Learn more:

Types of muscle contraction brainly.com/question/7117064

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Figure 17-2 shows highest fitness toward the center of the curve. When individuals with an average form of trait have the highes
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