Answer:
chlorophyll is the green pigment on the leaves of plant
Answer:
D. More bacteria congregated in the red and blue light regions because the algae in those regions produced the most oxygen.
Explanation:
In 1883, Theodor W. Engelmann conducted a classic experiment in which he wanted to help determine the relationship between wavelengths of light and the rate of photosynthesis. We consider that these bacteria congregated in search of the oxygen production, because when they are exposed to light, it is possible for them to produce oxygen through photosynthesis.
For natural selection to happen <span>there must be genetic variation in the population for it to even work</span>
Answer:
Your hypothesis should be based on an educated guess using prior knowledge and observation.
Given the age of the meteorite is 4.5 billion years old with 78 atoms of lead-206 the answer should be B. 156. The half-life of uranium-238 in order to decay into lead-206 is 4.46 billion years, which means that the original number of atoms is 156.
