The half-life of carbon-14 is equal to 5730 years. The amount of substance with half-life h at any time t is equal to,
At = (Ao) x (1 - 0.5)^(t/h)
Substituting,
At/Ao = 0.67 = 0.5^(t/5730)
The value of t from the equation is 3310.6 years.
Answer:
saprophyte
Explanation:
The sporophyte stage is the predominant phase in ferns. They have specialized water and nutrients conducting tissues called xylem and phloem that differentiates them from mosses. ... The sporophyte obtains its nutrition from the dead and decaying organic matter
The believe the answer is true but I'm not completely sure. <span />
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The breathing process occurs as follows: Inhalation increases the volume of the lungs, which reduces internal pressure and causes air to enter. Then the exhalation makes the opposite process. Gaseous exchanges occur in the lung alveoli and are responsible for eliminating the gases we do not need and preparing the oxygen to be spread throughout the body.
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