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Mashcka [7]
2 years ago
6

The biological specialty that deals with the reconstruction and study of phylogenies is called

Social Studies
1 answer:
valina [46]2 years ago
4 0
<span>the answer is
systematics</span>
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b) A study wanted to compare the 50 states food expenditures. The researchers measured the amount spent by the state's entire po
seraphim [82]

1/2, line rises

we are given the following pair of points and and we are to find the slope of line passing through these points:

(-1, 3) and (3, 5)

slope = \frac {y_2 - y_1} {x_2 - x_1} = \frac{5-3} {3--1} = \frac{2} {4} = \frac{1} {2}

the slope of this line is 1/2 which is positive so the line rises from bottom left towards top right.

7 0
3 years ago
Dave watches his brother climb a tall but brittle tree. When a branch snaps, Dave’s brother falls out of the tree and breaks his
astra-53 [7]

Answer:

B. Dave has learned vicariously through his brother’s experience.

Explanation:

4 0
3 years ago
What rights are specifically protected under the Ninth Amendment?
bija089 [108]

rights unlisted in the Constitution

6 0
3 years ago
Read 2 more answers
Researchers often use computers in their experiments to keep from influencing the participants and to keep themselves _____ rega
motikmotik

Researchers often use computers in their experiments to keep from influencing the participants and to keep themselves <u>blind</u> regarding the conditions to which the participants have been assigned.

<h3><u>Why is research blinding crucial?</u></h3>

Blinding is crucial to prevent bias (such as observer bias and demand characteristics) and guarantee the internal validity of a study.

Participants may alter their behavior in ways that affect the outcome that researchers are aiming to measure if they are aware of whether they are in a control or treatment group. If those providing the treatment are aware of the participants' assigned groups, they may treat them differently, which could either directly or indirectly affect the outcome.

Learn more about research blinding with the help of the given link:

brainly.com/question/3453118?referrer=searchResults

#SPJ4

3 0
2 years ago
Esther and Albert produce hamburgers and hot dogs. Esther can produce six hamburgers per hour or four hot dogs per hour. Albert
yan [13]

Answer: 1/3 hot dog per hour

Explanation: Opportunity cost is a term used by economists to mean what you have to forego in order to choose something else. Opportunity cost refers to what you have to sacrifice to buy what you want in terms of other services or goods.

In this case Albert can produce 3 hamburgers in one hour, and also he can produce 1 hot dog in 1 hour

it can expressed:

1 hot dog = 1 hour

3 hamburger= 1 hour

Equating both equations and simplifying it gives:

1 hamburger = 1/3 hot dogs

8 0
2 years ago
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