anjoliestar10 anjoliestar10

07-06-2021
English

contestada

The Keeling curve shows that carbon dioxide concentration in Earth's atmosphere
reached _____ ppm in 2013.
a) 250
b) 300
c) 350
d) 400

Respuesta :

hcwvyb6gqj hcwvyb6gqj

07-06-2021

The answer is c) 350 I’m pretty sure

Answer Link

Otras preguntas

Plants release water into the atmosphere through a process called

Ryan read 127 pages of a book on Monday and 172 pages of the same book on Tuesday. Use compatible numbers to estimate the number of pages Ryan read on Monday an

6.54 (one decimal place) ?

Sentence for ungracious

read each aloud as you write the equivalent measures. A. 2.7km= ___________km______m B.3.46l= __________l_________ml C.5005kg=________kg_________g D. 8ml= _____

key facts of covalent bonding

Mr. Berriman bought 8 packages of dry erase markers m and 4 whiteboard erasers w for $72. Mr. Williams bought 12 of the same packages of dry erase markers m and

0.55555555555555 as a fraction form?

Write a paragraph explaining which essential elements of geography you would use to study the weather in an area

how does dividing land into regions make geography easier to study