The two tools used are:
- A relationship existence between a galaxy's distance from Earth and also that of its speed.
- The findings in the 1960s of the presence of cosmic microwave background radiation.
<h3>What evidence is collected by each tool?</h3>
The evidence to support the big bang are:
- There was found to be some red shifts of a lot of galaxies which connote that the universe is widening.
- Due to the widening of universe, new elements were formed such as hydrogen, deuterium and others.
- Microwaves were found by orbiting detectors.
Therefore, The two tools used are:
- A relationship existence between a galaxy's distance from Earth and also that of its speed.
- The findings in the 1960s of the presence of cosmic microwave background radiation.
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Answer: 
Explanation:
We need to know the volume of the cone that can be filled with bubble gum ball, but firstly we need to calculate the volume of the cone 
and the volume of the buble gum ball (a sphere) 
:
<u>Volume of the cone:</u>
(1)
Where:
is the radius of the cone
is the height of the cone
(2)
(3) This is the volume of the cone
<u>Volume of the gum ball:</u>
(4)
Where:
is the radius of the sphere (half the diameter)
(5)
(6) This is the volume of the gum ball
Know we are able to find the closest approximation of the volume of the cone that can be filled with bubble gum ball, by calculating the difference or substracting (6) from (3):
(7)
Finally:
(8)
The renewable energy source is Hydroelectricity.
Answer:
Estados Unidos posee frontera terrestre exclusivamente con dos países: Canadá al norte, y México al sur.
Así, la frontera con Canadá parte desde el Océano Pacífico y llega hasta el Océano Atlántico, recorriendo una longitud de 8.891 kilómetros, mientras que la frontera con México también es bioceánica, y recorre una longitud de 3.145 kilómetros en total.
La principal diferencia radica en la protección que Estados Unidos da a cada frontera: así, la frontera con Canadá se encuentra escasamente vigilada, mientras que la frontera con México, por el contrario, se encuentra fuertemente vigilada y fortificada. Esto es así, principalmente, debido a que Canadá es un país que no supone una potencial fuente de inmigrantes hacia los Estados Unidos, mientras que México sí lo es, tanto por sí mismo como por ser un lugar de paso que conecta a los Estados Unidos con el resto de América Latina.
Answer:
a. the latitude of Greenwich, England
Explanation:
- The Greenwich lies on the prime Median and shows the east and west direction and it measures the north and south of the equator and is defined in terms of the parallels to the greater circle as the equator.
