Matter is everything that is a solid, liquid, gas, and plasma. energy moves through a ecosystem though food chains and food webs
I think the correct answer from the choices listed above is option C. The purpose of a control sample that is known to be from bighead carp in edna surveillance is to see if samples contain the target dna. A control sample is a set of sample that does not receive treatment by the researchers.
Answer:
Vitamin D is a required vitamin for calcium absorption.
A. Log and replant ¼ of the forest every 15 years.
Explanation:
As Sam utilizes simulation technology to demonstrate the greenhouse tactics that can maintain the woodlands and deliver an endurable source of food and wood, as it has already been given that the simulation needs a regeneration rate of 60 years.
The tactics that would allow the fast regeneration and longevity of the forest preserves would stand to log and replant one-fourth of the forest every fifteen years. Hence providing the most sustainable wood resource.