Answer:
if it is a plastic connector it wont work but if there is metal or steel it will work
Explanation:
Answer:
C, weathering by the water.
Explanation:
While in the river, it scraps againsts other rocks and things, which causes it to change shape. For example be smoother and round.
Answer:
The statements, observations, beliefs and suppositions all are the components of the pseudoscience.
Explanation:
The claims included in the pseudoscience including the beliefs, statements and practices are claimed to be scientific but these are devoid of any scientific evidences provided by the experimental procedures.
Answer:
70.07 Hz
Explanation:
Since the sound is moving away from the observer then
and 
when moving towards observer
With 
of 76 then taking speed in air as 343 m/s we have
Similarly, with of 65 we have
Now
v_s=27.76 m/s
Substituting the above into any of the first two equations then we obtain
Answer:
<em>D.) state of matter</em>
Explanation:
it can undergo chemical but not nuclear.
