Make up a new planet. Describe the important features of the landscape, what the climate is like, and what lives there. Write from the viewpoint of the first visitor to this planet.

What arrow on the map points to an air mass moving toward a cold front

Iwanna go do something with my ideas? ?

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2