It's being estimated that dinosaurs lived on Earth from about 237 million years ago to about 66 million years ago. So answers B and D are definately too "old", while answer A is too "young". I'd pick answer C as it's most probable.
Someone else already asked this question and it got a lot of good reviews.
Answer:
hundredth
Explanation:
because its in the decimal part.
Astronomers use redshirts to track the rotation of our galaxies, tease out the subtle tug of a distant plant on its parent star, and measure the expansion rate of universe.
Answer:
Hello There!!
Explanation:
Pollution is when harmful substances are surrounded in the atmophere.
3 types of Pollution are-
-air pollution
-water pollution
-land pollution
hope this helps,have a great day!!
~Pinky~
