If cells couldn't specialize, then the heart and other important organs would not function because if all cells did the same thing, the human would be one massive organ.
Answer:
Reproducing is fast for some animals, but can mess up their DNA and genetics. Humans and other aninkas take a while. It has a better chance of perfect genetics and heredity from parent, this goes along with sexual and asexual reproduction.
Explanation:
Answer:
The need for continental time zones stemmed directly from the problems of moving passengers and freight over the thousands of miles of rail line that covered North America by the 1880s. Since human beings had first begun keeping track of time, they set their clocks to the local movement of the sun.
Answer:
D) All visible light waves except red are absorbed by the ball
Explanation:
When we see things that are a certain color, it is because the object is absorbing all the visible light waves except the one we are seeing. In this case, the ball is absorbing every color on the visible spectrum except for red. Red is being reflected back towards the child's eye which is why the child sees the ball as red.
Please mark as brainliest ;)
