A geologist is studying rock layers in an old river bed, and he finds a fossil of a fish and a horsetail rush in the same rock layer. According to the law of faunal and floral succession, the geologist can assume that the rock containing the fossils may date back as far as the <span>Devonian period</span>.
Answer:
Explanation:
Given
Cannon is fired with a velocity of 
Using Equation of motion

where




after time 



So after 3.3 s cannon ball is at a height of 185.89 m
A frog can be many different colours. It appears green under normal 'white' light because it absorbs all the other colours in the light's spectrum apart from green. It reflects the green light back and that is picked up by your eye.
If the light is red, there is no green in the spectrum of the light, only red. So, the red light will be absorbed and there is no green to be reflected back for you to see. Therefore, the frog will not look green.
Answer:
the ans will be because it has 1.672
Answer:
The answer should be C. slanted upward to the right.
Hope this helps. :-)