Temperature and oxygen level
The answer is B Animal cells do not have a cell wall and the shoe box represents the cell wall. Hope this helped!
Answer:
Although each of these strategies is being used to produce fuels, they are ... Algae can produce biomass very rapidly, with some species doubling in as few as 6 h, and ... Microalgae have additional advantages over terrestrial plants. ... The terrestrial models use land that is not presently used for food agriculture. One of the fuel sources of the future is algae, small aquatic organisms that convert sunlight into energy and store it in the form of oil. S. ... Algae could potentially produce up to 60 times more oil per acre than land-based plants. ... In the future, anything that runs on gasoline and diesel could also use biofuel from algae.
Explanation:
wood- renewable resource that can be burned
oil- spills can destroy aquatic ecosystems
hydroelectric power- uses the kinetic energy of water
nuclear power- creates radioactive waste
coal- burning releases CO2 into the air
Answer:
The elephant is getting Energy
