Answer:
Option D: More than 90
Explanation:
Thickness probably depends on temperature. The higher the temperature, the more aliens we expect to be thin.
Answer:

Explanation:
According to Newton’s law of cooling, the rate of loss of heat from a body and the difference in the temperature of the body and its surroundings are proportional to each other.

Here,
represents temperature at time t, R as the room temperature, t as the independent variable, y as the dependent variable.
Try to go to Google and type the Answer and it will show you
Answer:
The radius is 
Explanation:
From the question we are told that
The current is 
The magnetic field is 
Generally the magnetic field produced by a current carrying conductor is mathematically represented as

=> 
Here
is the permeability of free space with value 
=> 
=> 
<span>If you can't measure the parallax that means that the star is far far away, beyond all possible reach of humanity with its current technology. The closer the star is the greater the parallax, so you either get a bigger, more powerful telescope, or you just accept that it's too far away to be measured at all. Eventually the technology will develop enough to measure it.</span>