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butalik [34]
3 years ago
5

A placebo is an important element of many clinical trials because Group of answer choices it serves as a control for the experim

ent. it allows the researcher to adjust for psychological effects of receiving medical attention. use of the placebo can help avoid confounding. All of the choices are correct.
Social Studies
1 answer:
Goryan [66]3 years ago
5 0

Answer:

All of the choices are correct.

Explanation:

Placebo in clinical trials is an element of research that is more of a deceiving treatment given to the participants or a group of participants. It acts as a psychological effect on the participants who already know that the actual treatment will improve their health or condition etc. This means that it helps the researchers to adjust the psychological effects of receiving medical attention and is often refereed to as placebo control as it can control outside factors. Similarly, these outside factors are known as confounding factors hence a placebo also assists in controlling or avoiding confounding factors. Hence, All of the choices are correct.

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A hot spot is an area on Earth that exists over a mantle plume.Hot spot volcanoes occur far from plate boundaries. Because the hot spot is caused by mantle plumes that exist below the tectonic plates, as the plates move, the hot spot does not, and may create a chain of volcanoes on the Earth's surface.

3 0
2 years ago
Is it better to water plants in the morning or evening
lawyer [7]

Answer:

morning

Explanation:

this way plant has time to dry before the sun goes down

but

at night, water tends to rest in the soil, around the roots, and on the foliage, which encourages rot, fungal growth, and insects.

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2 years ago
I NEED HELP ASAP 100 POINTS!!!!
Agata [3.3K]

Answer:

<u>- What are checks and balances?</u>

A system that allows each branch to veto actions of other branches to prevent them from taking too much power.

<u>- Give examples of how each branch checks the other two.</u>

The legislature branch passes a law, the way the executive branch checks is by agreeing to the law, or denying/veto it. The judical branch

<u>- What effect does this have on the American political system?</u>

This makes sure no one goes above each other, no one has more power than each other and makes it so no branch is greater than another. Each branch checks the power of the other branches to make sure the power between them is balanced/equal.

<u>- Why did our founding fathers create such a system?</u>

Our founding fathers created such a system so that no one has power over each other. The point of this system is so no other branch has more power than the other and created a seperation of powers.

<u>- Are such examples of political brinkmanship appropriate?</u>

(Not sure about this one)

In my opinion, this example of political brickmanship is appropriate. If President Trump wasn't able to gain the money to build the wall 1,900 miles across the lands, there is no other way to gain it back.

<u>- Is such political gridlock always a bad thing?</u>

Political gridlock is considered a horrible thing, branches can not function correctly due to gridlock. This can cause difficulty to satisfy the citizens of whatever state and can lead to chaous. In my opinion, gridlock can be and maybe always be a bad thing because people can never get into an agreement to satisfy the citizens.

4 0
3 years ago
Read 2 more answers
PLZ PLZ ANSWER These questions please!!
Artist 52 [7]

Answer:

#1: Regulate commerce

#2 Self-government

Explanation:

For #1, the Articles of Confederation did not give the government much power, especially in regulating commerce between states. However, it could declare war, settle disputes, and negotiate with foreign countries.

For #2, the main idea of the Mayflower Compact was self-government. The Mayflower Compact is sometimes know as the first written form of an idea of self-government.

7 0
3 years ago
_________________-new species formed from a small pop isolated at the edge of a larger pop
Marina CMI [18]

Answer:

Peripatric speciation

Explanation:

Peripatric speciation usually is an occurrence which happens when a small group of individuals break off of the main group to form a new species. This is similar to allopatric speciation, in this case, the two groups are separated by physical barriers such as mountain ranges or waterways, making it almost impossible for the two groups to interbreed.

There is always a special gene in the smaller group that had been isolated from the parent group. This special gene could allow the particular species to develop thicker fur, longer limbs or even, in extremely rare cases, an entirely new body part.

8 0
3 years ago
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