Geologists discovered fossil evidence of mesohippus, an ancestor of the modern horse. mesohippus lived in north america about 40 million years ago. mesohippus was about two feet tall, ran on hooves with three toes, and had large, grinding teeth. what statement is best supported by the fossil evidence?
a) ancient horses were once carnivores.
b) horses have evolved over the last 40 million years.
c) horses migrated from south america into north america.
d) modern-day horses share a common ancestor with all mammals

Adisease in which scar tissue replaces healthy liver tissue

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

The consists of a mixture of gases and particles, including oxygen, nitrogen, hydrogen, carbon dioxide, water vapor, and dust.