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Zigmanuir [339]
3 years ago
8

Help! please lmk the answers

Social Studies
1 answer:
elena-s [515]3 years ago
3 0

Answer:

Do you still need this?

Explanation:

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The first major military engagement of the american revolution took place near
katrin [286]
The first battle was at Lexington and Concord, Massachusetts on 4/19/1775 in "The Battles of Lexington and Concord". The second battle was at Fort Ticonderoga, New York 5/10/1775 in "<span>The Siege of Fort Ticonderoga"

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3 years ago
A researcher studying the effect of a dietary supplement on sleep finds that research participants who take the supplement sleep
nexus9112 [7]

The correct answer is clinically insignificant

In this sense, there was no significant difference between patients who used placebo and those who did not.

Scientifically proven, the placebo effect is centered on the idea that the patient's expectations and beliefs can promote biological changes in favor of curing diseases. There are confirmations of results of improvements in different diseases with the use of inactive drugs or the simulation of a medical procedure.

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3 years ago
Which of the following is an example of a behavioral tendency thought to be linked to aggressiveness?
Luba_88 [7]
I would say all of the above.
8 0
3 years ago
Read 2 more answers
During the course of fish evolution two of the gill slits slowly evolved into ____________.
xeze [42]

in the course of fish evolution, two of the gill slits slowly advanced into the jaws.

The evolution of fish started about 530 million years in the past at some point during the Cambrian explosion. It become during this time that the early chordates advanced the cranium and the vertebral column, main to the first craniates and vertebrates. the first fish lineages belong to the Agnatha or jawless fish.

The earliest fish, corresponding to living hagfish, developed about 550 million years in the past. Diversifications that in the end advanced in fish include an entire vertebral column, jaws, and an endoskeleton manufactured from bones in preference to cartilage. Fish live in the course of the sea and in freshwater lakes and streams.

New studies have uncovered the genetic foundation of gill covers in fish, which came about over 430 million years ago. It sheds light on one of the most essential evolutionary traits for fish, in addition to over vertebrates.

In jawless fishes, a sequence of gills opened behind the mouth, and those gills became supported by way of cartilaginous elements. the primary set of these elements surrounded the mouth to shape the jaw.

Learn more about the evolutions of fishes here: brainly.com/question/1426050

#SPJ4

8 0
2 years ago
One factor that may make it difficult to interpret the result of even a true experiment in a natural setting is contamination (w
Thepotemich [5.8K]

Explanation:

Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.

6 0
3 years ago
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