Match each energy source with its description.

1. most common renewable energy source
2. depends on time of day and time of year
3. most polluting energy source
4. liquid formed from remains of plants and animals
5. renewable source formed from organic material
solar
biomass
coal
Oil
hydropower

What is the next step in the process after a substrate enters the active site of an enzyme

One of the reasons that stars are so large is because

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