The greek scientist who concluded that the sun is the center of the solar system, and that the earth revolves around the sun, was

a. aristarchus.
b. epicurus.
c. euclid.
d. eratosthenes.

a. Aristarchus was the Greek scientist who concluded that the sun is the centre of the solar system, and that the Earth revolves around the Sun

Explanation:

Aristarchus was a Greek scientist who studied astronomy. He concluded that the sun is the centre of the solar system, and that the Earth revolves around the Sun (that it was Heliocentric).

the answer is mosques. they are an important part of islamic culture.

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27