Answer:
I think it's A " The train must be able to complete the trip in six hours "
The answer is B,I’m not sure tho sorry
Answer:
4600-4500 million years ago, the Earth formed and its crust cooled to become solid. 4500-4400 million years ago, the oldest known thing to have formed on Earth, zircon, formed along with solid crust and oceans. 4200-4100 million years ago, the close of the Hadean Period (there are no surviving rocks).
(Think you mean intelligence)
I think, intelligence is slightly more important than money. It's so because if you have intelligence, you can very well earn a lot of money. You can make use of your brains and find out smart ways of having more income. On the other hand, money can't fetch you brains.
The first question is horses having long legs so they can run away from predators
The second question is Animals are less likely to eat this plant.
The third question is White skin is a favorable adaptation because it makes the lizards hard to see against the white sand.
The fourth question is Organisms produce fewer offspring if the environment does not have enough resources.
The fifth question is People kill rattlesnakes that rattle when approached by humans, but people do not kill rattlesnakes that remain silent. The quiet snakes survive and breed.
The sixth question is With the smallest population size
If this helps brainliest answer would be appreciated
