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Olegator [25]
3 years ago
10

Which observation proves that a cell is a eukaryote?

Biology
1 answer:
NARA [144]3 years ago
7 0
The cell contains a nucleus
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6 0
3 years ago
Explain why a city that receives 10 hours more light each day has colder average temperatures.
goldenfox [79]

Answer:

Despite the hours of sunlight a city receives, the latitude of the city plays a larger role due to the fact that with a higher latitude, the higher the solar angle allowing a city to be much warmer.

Explanation:

8 0
2 years ago
A normal fault is formed from compressional stress. select one:<br> a. true<br> b. false
Dmitry_Shevchenko [17]

Answer: False.

Explanation:

A normal fault is a type of fault in which the hanging wall drop down in relative to the footwall. It is caused by tensional stress, when two block of rocks pull apart from each other. Normal fault normal happen in areas that are undergoing extension or stretching.

Reverse fault are caused by compressive stress.

8 0
3 years ago
How many protons and neutrons does an oxygen atom have
Tresset [83]
The answer would be 8.
3 0
3 years ago
What happens to the circulatory system when someone coughs?
natta225 [31]

Answer: The relationship between blood pressure and heart rate responses to coughing was investigated in 10 healthy subjects in three body positions and compared with the circulatory responses to commonly used autonomic function tests: forced breathing, standing up and the Valsalva manoeuvre. 2. We observed a concomitant intra-cough increase in supine heart rate and blood pressure and a sustained post-cough elevation of heart rate in the absence of arterial hypotension. These findings indicate that the sustained increase in heart rate in response to coughing is not caused by arterial hypotension and that these heart rate changes are not under arterial baroreflex control. 3. The maximal change in heart rate in response to coughing (28 +/- 8 beats/min) was comparable with the response to forced breathing (29 +/- 9 beats/min, P greater than 0.4), with a reasonable correlation (r = 0.67, P less than 0.05), and smaller than the change in response to standing up (41 +/- 9 beats/min, P less than 0.01) and to the Valsalva manoeuvre (39 +/- 13 beats/min, P less than 0.01). 4. Quantifying the initial heart rate response to coughing offers no advantage in measuring cardiac acceleratory capacity; standing up and the Valsalva manoeuvre are superior to coughing in evaluating arterial baroreflex cardiovascular function.

Explanation:

5 0
3 years ago
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