Answer:
Explanation:
Viruses are a limitation to cell theory.
According to cell theory, all cells arise from pre - existing cells. But viruses lack any membranes and do not show the characteristics of life unless they enter a living body and use its cell machinery to multiply.
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The answer is A , I hope this is not to late
<u>Answer:</u> The weight of the person above the surface of a planet is 635.83N.
<u>Explanation:</u>
To calculate the weight of a person, we use the formula:
....(1)
where,
w = weight of an object
m = mass of the person = 65kg
g = acceleration due to the gravity of the planet
For the calculation of weight, we need to first find the acceleration due to gravity and for that we use the formula:

where, g = acceleration due to gravity = 
G = Universal gravitational constant = 
M = mass of the planet = 
r = distance of the person from the planet = 
Putting values in above equation, we get:

Putting this value in equation 1, we get:

Hence, the weight of the person above the surface of a planet is 635.83N.
Answer:
The two types of quantities scientists consider when examining is Scalars and Vectors
Answer:
they are heterotrophic and can produce their own food unlike things like microbes who rely on other things to live. they are also multicellular unlike most bacteria (mushroom is an exception)