YRNlightskin41571 YRNlightskin41571

18-01-2024
Geography

contestada

When Earth's temperatures were last warmer than today, atmospheric carbon dioxide concentrations were about __________ parts per million.
a) 400-500
b) 600-700
c) 800-900
d) 1000-1100

Respuesta :

Otras preguntas

What does expose mean?

8. The _______ Amendment is the only constitutional amendment that was ratified by approval of conventions in three-fourths of the states. A. Fifteenth

About 40 years ago, what did researchers discover when they studied people who engaged in anaerobic exercise?

Rich is driving from Philadelphia to Pittsburgh at 70 mos and Michelle is diving from Pittsburgh to Philadelphia at 65 mph if Philadelphia and Pittsburgh are 30

What is the name of CuCO3 ???

Which is an effective way to determine whether a mixture contains dissolved ions?

What are the zeroes of y=x^2-2x-15? Choices: A. -3,-5 B. 3,5 C. -3,5 D. 3,-5

help please thank you

What was the gulf of Tonkin resolution

What entity determines how much money is available to public education through the permanent school fund?