It is b. A sinkhole. Cause the hole will open and everything fall in it
I believe the best answers are 400-450 nm and 670 -680 nm. Photosynthesis is the process in which green plants make their own food by using energy from sunlight in organelles called chloroplasts. Chlorophyll absorb light used in photosynthesis. In this process the sun's energy is converted to chemical energy by the photosynthetic organisms. Absorption spectrum of chlorophyll includes wavelengths of blue and orange-red light, as is indicated by their peaks around 450-475 nm and around 650-675 nm
Fossils, trees, current animals. These all offer insight to the history of life on earth
Answer:
Ritalin (methylphenidate) and Adderall are used to treat ADHD, and are well known to cause a false positive for amphetamines and methamphetamines.
D I think I hope this helped
