Why did the accepted scientific theory of the solar system change from a geocentric model with Earth in the center to a heliocentric model with the Sun in the center? Question 2 options:

A: Because over time the Sun's position changed

B: Because over time the Earth's position changed

C: New evidence and observations changed our understanding of the solar system

D: New planets formed in between the Sun and Earth

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Witch type of microscope is used to view very small cell components like proteins and dna?

Which of these is a provisioning service people get from the ocean