Answer: B
Explanation:
If he saved the seeds and waited till summer the rays of light would make the flower red.
True i think but i could be wrong. hope you get it right!
To solve the stability problem, Bohr modified the Rutherford model by making sure that the electrons move in orbits of specific size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. However, radiation can only happen when the electron jumps from one orbit to another.
large surface area,
high CO2 concentration
High blood diffusion (from high to low concentration)
Thin walls adjusted for gaseous exchange.