The planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune revolve around the sun (a star), and these planets have moons that revolve around them.
Answer:
<span>Planets revolve around a star, and moons revolve around planets.
Hope this helps.</span>
The answer is <span>Take consistent amounts of saliva samples from a number of people who have not eaten in 8 hours and measure the quantity of amylase in each sample.
First, the researcher needs to know the quantity of amylase in the <u>same</u> amount of saliva. Thus the amount must be consistent and not varying.
Next, people must not eat in 8 hours, so they are all in the same condition at the moment of collecting saliva. If some eat immediately before the sample collecting while some eat 8 hours before, the content of their saliva will be different.
For the correct results, all conditions must be the same.</span>
The correct answer is: [C]:
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→ " grassland ecosystem " .
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{Since the organisms you mention:
"zebra, lion, raccoon , grass, rat, Cricket crow" occur in the "grassland ecosystems" of Africa ; according to the following "food web" (diagram).
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Hope this helps!
Best wishes to you!
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Photosynthesis
The plant takes in Carbon Monoxide and releases oxegen.
<h2>The approimate sizes of the DNA fragments for Mother </h2>
800 bp and 260 bp are the approximate sizes of the DNA fragments for the mother. The appearance or inadequacy of specific identifying places in a DNA specimen produces changeable dimensions of DNA fragments, which are isolated utilizing gel electrophoresis. They are then hybridized with DNA scrutinies that join to a corresponding DNA series in the example.
