On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body. When it gets cold out what happens to our blood flow decreases or increases?
decreases

Less photosynthesis means that plants and phytoplankton produce less food. If Mona owns a greenhouse and she decides to open r the top up to increase sunlight, what happens to her plant's ability to make food increases or decreases?
increases

Q: Higher frequency waves have greater energy. If Jim changes his radio transmitter to a lower frequency, the energy produced is greater or smaller?
A: smaller

Question: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude. Will sees a wave with a frequency of 60hz and a wave with a frequency of 10hz. Which wave has less energy the 60hz wave or the 10hz wave?
Answer: the 10hz wave

*Question*
At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react. Mike is watching how particles of reactants function, and sees that they are very far apart. Considering that the concentration of them is very low, the chance of them colliding together is high or low?
**Answer**
low

(Q).
The size of an ocean wave depends on how fast, over how great a distance, and how long the wind blows. The greater each of these factors is, the bigger a wave will be. John is relaxing at the beach watching the waves when the wind begins to let up. When the wind begins to blow slower, what happens to the size of the waves increase or decrease?
(A).
decrease