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3 years ago

What is the difference between precision and accuracy?

1 answer:

6 0

Accuracy means getting a result that's close to the real answer while precision means getting a similar result every time you try

You might be interested in

What could cause an igneous rock to become soil?

Troyanec [42]

The choices can be found elsewhere and as follows:

a. Increased temperature and pressure
b. Melting and crystallization
c. Exposure and weathering 
d. All of the above

I believe the correct answer is option C. It would be Exposure and weathering that would cause an igneous rock to become soil. Weathering breaks rock down into small particles which are carried away by erosion and deposited somewhere, sometimes creating very verdant soils.

8 0

3 years ago

Read 2 more answers

How do barnacles eat? Do you think barnacles are able to eat when out of water? Why?

natima [27]

Answer:

<h2>When the tide goes out, the barnacle closes shop to conserve moisture. As the tide comes in, a muscle opens up these four plates, and the feathery legs of the barnacle sift the water for food.</h2>

please follow me and mark me as brainlist 

6 0

3 years ago

PLEASE ANSWER URGENTLY!!

dlinn [17]

Answer: Skin; Brain, GSA - General Somatic Afferent

Explanation:

Whilst bushwalking, Brian begins to feel chafing sensation in his thighs. In order to perceive this chafing, neural impulses must travel in one direction – from his skin to his brain. This information would travel via GSA neurones.

The peripheral mechanoreceptors which are found on the skin and used to detect movement will detect the chafing and send it to the brain.

This information will be received by the brain through General Somatic Afferent neurons which are spread across the body and have the primary function of detecting touch and temperature.

8 0

3 years ago

Which of the following chemicals opens us binding sites allowing muscle filaments to connect to each other? Select one:

HACTEHA [7]

Answer:

The correct answer will be option-D.

Explanation:

Calcium plays an important role in muscle contraction as they are released from the sarcoplasmic reticulum after they receive electric impulse.

Calcium triggers the muscle contraction cycle as these calcium ions bind to the troponin-tropomyosin complex. This binding exposes the myosin-binding site on the actin on which high energy myosin binds and cross-bridge is formed.

This cross-bridge formation causes the contraction of the sarcomere and therefore muscle contracts.

Thus, option-D is the correct answer.

3 0

3 years ago

Clara is a vegan and she does not drink milk, a food advertised as a best source of calcium. But she is not worried too much sin

marysya [2.9K]

Explanation:

%DV label= 27%

1 cup of cooked collared greens= aprx 266.60 mg of Calcium

Assuming Clara is...

a teen, her required adequate intake (RAI)= 1300 mg/ day
an adult, her RAI= 1000 mg/day

For teenaged Clara

∵27 % DV= 270mg

% daily Calcium= $\frac{270}{1300} * 100=$ = 20.8 ≈ 21%

=0.21

21% of her daily calcium needs is in a cup of cooked collard greens.

Calcium is an essential mineral required by the human body, it is involved in cell signalling, muscular function and homeostasis. Along with fats, fiber, vitamin A and C and iron, calcium makes up part of a recommended daily intake target or DV- these are integral to a balanced diet.