Answer:
The stick with black thing attached
Explanation:
number 2
Answer: which of the following is an example of an electromagnetic wave? (2 points)
Explanation:
A:red light
B:ocean waves
C: sound waves
D:earthquakes
The molecules in the sugar move from an area of higher concentration (sugar cube) to an area of lower concentration in the water.
That is exactly what diffusion is: the net movement of molecules or atoms driven by a gradient , which means that it doesn’t requires energy.
Answer:
'Rare earth elements are in the first column on the left' is not true.
Explanation:
The rare earth metals are 17 metallic elements in the middle of the periodic table. Atomic numbers 21, 39, and, 51-57.
The answer is A hypothesis is tentative statement and A theory has a strong predictive power.
( I hope this is right :) )