Answer:
A.
Explanation:
Because the trait undergoes a secondary loss; it has been there but it doesn't always appear in all generations.
Answer:
1.The carbon cycle.
2.The nitrogen cycle.
3.The water cycle.
4.The sulfur cycle.
5.The phosphorus cycle.
6.The rock cycle.
Explanation:
<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em> </em>
<em>Crown</em><em> </em><em>me</em><em> </em><em>as</em><em> </em><em>brainliest</em><em>:</em><em>)</em>
1st and 4th one. 3 could be possible not completely sure its been awhile since i took the class. but the other 2 are impossible.
Plants use the sun to produce food then animals eat the plants for food
Answer:
here are some:
1) market failure, 2) the tragedy of the commons, and 3) the underprovisioning of public goods. One of the first principles of free markets is that for them to work effec- tively, the full costs of an activity must be borne by the involved parties.
Explanation:
hope this helps <3