Algae plants are considered to be one of the most important organisms on our planet because it produces a lot of the Earth's oxygen. All plants produce oxygen, but algae produces more than the usual green plant.
Your answer is: Produces most of the Earth's oxygen
Have an amazing day and stay hopeful!
Answer:S phase (Synthesis Phase) is the phase of the cell cycle in which DNA is replicated, occurring between G1 phase and G2 phase.
Explanation:
In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. The researcher can operationalize (i.e. define) the variables being studied so they can be objectivity measured.
Answer:
Aside from preventing back flow of blood, valves in the veins aid in the return of blood from the extremities to the heart ( from feet and legs in particular).
Explanation:
The hot plate is the greatest hazard do to the fact that the hot plate will be hotter than the water. It is also plugged into the wall so there is a hazard of if water is spilled onto the hot plate. You could get burned by the electrical water and cause a fire.
I hope this was helpful