How can old Christmas trees be used to help restore wetlands? A. They can be used in planting projects where new pine trees are needed.
B. They can be used in oyster barrier reef projects to create nearshore oyster reefs.
C. They can be used in marsh creation projects to create new marsh in areas of open water.
D. They can be used in sediment and nutrient trapping projects to catch and hold sediment particles.

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.