Answer:
mongolia
Explanation:
Mongolia has very little arable land, which means historically they have not been able to grow enough crops to support a large population. Until the 20th century Mongolians were largely a herding people, and that just doesn't support dense populations.
The consecutive numbers are either 2 and 3, or 7 and 8..
x(x+1) = x^2 + x
x^2 + x = 10x-14
quadratic form of x^2 + x = 10x-14:
x^2 - 9x + 14 = 0
(x-2)(x-7) = 0
x = 2, 7
so 2 and 3, or 7 and 8 are the answers
Answer:
The best answer is mountains and valleys
Explanation:
first option doesn't seem correct because it doesn't have one giant plateau. Instead it is multiple. so that option is incorrect.
second option is incorrect because there really is no evidence about plains and hills.
third option is incorrect for the same reason as second option.
The Fourth option is correct because Sub-saharan contains mountain ranges and multiple rift valleys.
(have a nice day and soon merry christmas or happy Hanukkah)
Answer:
Coronaviruses are named for the crown-like spikes on their surface. There are four main sub-groupings of coronaviruses, known as alpha, beta, gamma, and delta.
Human coronaviruses were first identified in the mid-1960s. The seven coronaviruses that can infect people are:
Common human coronaviruses
229E (alpha coronavirus)
NL63 (alpha coronavirus)
OC43 (beta coronavirus)
HKU1 (beta coronavirus)
Other human
Answer:
Explanation:
under colonial rule by Spain from the 16th century to the 19th century, and briefly by Great Britain during the 18th century (1763–1783) before becoming a territory of the United States in 1821.