Answer:
Constructive, destructive, conservative, and collision margins
Explanation:
These are the four kinds of plate margins.
There is a few but some rivers that connect or flow into the Atlantic are
the Amazon empties into the Atlantic
St. Lawrence leads into the Atlantic
Orinoco is also another river that goes into the Atlanic
im sure there are more but these three are just some i know so hope that helped
Answer:
The current amount of the Potassium-40 sample is approximately 37.521 grams.
Explanation:
The amount of the sample of the radioactive isotope decays exponentially in time, the amount of mass of the sample as a function of time (
), in grams, is described below:
(1)
Where:
- Initial mass, in grams.
- Time, in years.
- Time constant, in years.
The time constant can be found from half life (
), in years, described in statement:
(2)
If we know that
,
and
, then the current amount of the sample is:




The current amount of the Potassium-40 sample is approximately 37.521 grams.
Islam arrived in the inland of Indian subcontinent in the 7th century when the Arabs conquered Sindh and later arrived in North India in the 12th century via the Ghurids conquest
6x+4y=13
-(3x+4y=8.5)
-------------------
3x=4.5 =x=4.5/3=1.5
It will be 1.5