18. about how many times larger is earth's diameter compared to
the moon's?
a. 2 times
c. 10 times
e. 100 times
b. 4 times
d. 25 times

Food can come from sustainable or unsustainable resources. why has the united nations suggested that bugs could be a better source of food than animals like pigs or cattle?

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island

One reason that madrid became the capital of spain is because of its