They need energy to produce oxygen
Mutualism is where both animal help each other to benefit form each other. Win-Win . Commensalism is where nothing happen neither animal benefits from it .
Answer:
a The volume of the liquid should be measured before it is heated.
Explanation:
A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increase in volume. The following list shows the steps taken by the student in order to test the hypothesis.
Select the liquid to test.
Place the liquid in a sealed container.
Use a Bunsen burner to heat the liquid by 10°C.
Measure the volume of the liquid.
Record the results.
What is wrong with how the student conducted the investigation?
a The volume of the liquid should be measured before it is heated.
b The hypothesis was not valid because it is impossible for liquids to change in volume.
c The student should have increased the temperature of the liquid by more than 10ºC.
d The length of time it took for the liquid to be heated should be measured.
The answer is A i.e The volume of the liquid should be measured before it is heated. I think this is surely right!!
The nurse considers that a 70-year-old female client can best limit further progression of osteoporosis by taking supplement which contains vitamin D and calcium. Osteoporosis is a bone condition where one develops a fragile bone that is very susceptible to fracture. Causes for this condition can be genetics, lack of physical activity, insufficient amount vitamin D and calcium in the body, smoking and many other. This condition does not have any symptoms with it until fractures in the bones happen. One way to prevent or decrease the chances of developing it to serious cases is to supply your body the right nutrients and vitamins.
