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lord [1]
3 years ago
9

A student plans to conduct an experiment to determine how a change in the pH of water affects the population growth rate of alga

e. To ensure that her experimental data are valid, she should ?
Biology
1 answer:
kifflom [539]3 years ago
6 0
The student should make sure that the instrument she will be using to measure the pH of the water is valid.

Validity is concerned with an object's goal is able to measure the intended object.
<span> With this conclusion validity, our data gathered and presented are considered a reasonable one. It is the most important types of validity. As what is said, by having conclusion validity, your data will be undoubtedly least considered since it is labelled as statistical and well-studied. Once you already mention the word statistics meaning it is studied and surveyed with the most of the human race and includes relationship in your data.</span>

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One day, Mark notices that Karen is cleaning up Daniel's room for the 4th time this week. When he approaches her about it later,
Radda [10]

Answer:

Mark thinks Karen is trying to represent the democratic type of parent.

Explanation:

Karen did not impose that Daniel keep playing tennis, which indicates that she is not trying the authoritarian style of parenting. Furthermore, she is not failing to care whether or not Daniel will stop playing tennis, which indicates that she is not trying the negligent parenting style.

However, Karen preferred to explain to Daniel that playing tennis is a beneficial activity and that she is helping him to stay on the team, which made Daniel reason and realize that she was right. This is an example of the democratic type of parentability, where countries explain their opinions on a particular topic, but allow their children to make their own decisions, without imposing reprisals, and without acting as if they don't care.

7 0
3 years ago
Which portion of the brain is located closest to the spinal cord?
atroni [7]
<span>The brain stem is closest to the spinal cord.</span>
4 0
3 years ago
According to the theory of _____________, mitochondria in cells today are the descendents of aerobic prokaryotes that used oxyge
Viefleur [7K]
I'm pretty sure its endosymbiosis 
6 0
3 years ago
There is a definite place at which the brain begins and the spinal cord ends
olga2289 [7]

The answer is the spinal cord starts at the occipital bone where it passes over the foramen magnum, and encounters and go in the spinal canal at the start of the cervical vertebrae. The spinal cord encompasses down to amid the first and second lumbar vertebrae where the spinal cord ends.

6 0
3 years ago
Earth's core acts as a permanent magnetic in producing Earth's magnetic field. true or false
KonstantinChe [14]

Answer:

True

Explanation:

Earth produces an magnetic force due to chemicals in the core.

7 0
4 years ago
Read 2 more answers
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