<h2>Answer:</h2>
Correct answer is C
c. The resulting wave would travel at 4.2 hertz.
<h2>Explanation:</h2>
In this case constructive interference will occur and it will sum up or add both waves together. So that the resulting wave will travel at speed of 4.2 hertz. So, the correct option is C.
Answer:bacteria develops its self way more but you should make it more clear of the choices your giving
Explanation:
B) Peyer’s patches. Located in the mucosa and extend to the submucosa of the small intestine
No, bees must pollinate flowers.
C. The sun is the closest star to Earth.
It is the center of our solar system, so the plants revolves around it not the other way around. The moon actually reflects the light from the sun.