The answer is B: <span>electricity is required to produce the hydrogen fuel. This could still be polluting because much electricity is produced using fossil fuels. However, this question is a bit misleading. If electricity used to manufacture hydrogen is sourced from renewable energy, such as hydropower, solar or wind energy, then hydrogen power in turn is also not polluting.</span>
Is a. Sea star
It’s an organism that has an incomplete digestive system
Answer:
The correct answer is direct calorimetry.
Explanation:
A method of attaining direct determination of the concentration of heat produced by the body inside an insulated chamber, which is sufficiently big to allow moderate amounts of work is termed as direct calorimetry. These chambers within which the measurement is done is also known as the whole-room calorimeters.
The mentioned process provides the measurement of the energy discharged in the form of heat.
The answer is A, because the phytoplankton is the foundation of this food web. Without your foundation, "the building will begin to crumble".
Answer:
you could calculate the speed of a snail or a cheetah by measuring a distance and measuring the time it takes them to get there. direction would be considered if you were finding velocity.
Explanation:
