180 million years is the correct answer
Plants use Cellulose for structural support and it is a Polysaccharide.
Gravitational bound system of stars,stellar remnants,interstellar gas,dust,and dark matter
Answer:
The development of sharper visual acuity.
Explanation:
At one week after birth, they can see red, orange, yellow and green. However, babies see red as the first primary color.
Many advances in vision development take place in months two and three. Infants develop sharper visual acuity during this period, and their eyes are beginning to move better as a team. A child should be following moving objects at this stage and starting to reach for things he sees.