PLEASE HELP QUICK ASAP HURRY This is Earth Science
Which example is not a biomass energy source?
A. Paper
B. sun
C. manure
D. wood chips
Question 5
Which example is a biomass energy source?
A. corn
B. water
C. wind
D. petroleum

Ajogger runs 5.0 km on a straight trail at and angle of 60 south of west . what is the southern component of the run rounded to the nearest tenth of a kilometer

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.