Answer:
The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.
Explanation:
Answer:
yes it is true ribosome carry out reaction of respiratory in the cell
Answer:
The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane.
Explanation:
The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified.
C. Changes to biodiversity can positively and negatively affect an ecosystem.
Answer:
d. 2x.
Explanation:
At metaphase the DNA chromatides are duplicated. This explains that if in G1 phase of the cell cycle the DNA content is x, then the content in metaphase of meiosis I is 2x.
