The lemon trees will always be the same so they are the constants. The independent variable is the water amount because it is changing. The dependent variable is the amount of lemons because it is the variable being tested. (If we change the amount of water how many lemons will be produced?)
Penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei Answer:
Explanation:
Answer:
A
Explanation:
because she wants to practice science and A is the practical option.
Answer:

Explanation:
= Frequency of source = 375 Hz
= Difference between the maximum and minimum sound frequencies = 2.75 Hz
v = Speed of sound in air = 343 m/s
T = Time period = 1.8 s
= Maximum speed of the microphone
We have the relation

Amplitude is given by

The amplitude of the simple harmonic motion is
.