When Celia tried to make use of old cans of paint by mixing them, she had expected to end up with a dramatic and bold hybrid color but instead the mixture became darker and darker in color. The colors were lost because mixing paints results in ___.
a. wavelengths that are reflected but distorted to wavelengths outside the visual spectrum
b. more wavelengths being absorbed by the pigment molecules
c. more light being reflected from the mixture
d. subtractive effects
Question 2
When presynaptic neurons are active and postsynaptic neurons fire at the same time:
a. One cancels the effects of the other
b. The synapse is strengthened
c. No neurotransmitter is released
d. The action potential is inhibited
Mixing bacterial genotypes produces rare recombinants
Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
Additive Color Mixing and Paint Mixing
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Add 5 more to make 9
Expected Distribution of IQ Scores