Answer:
This a source which energy can be extracted, used and still be transformed maybe directly or into another energy form.
Explanation:
Different energy sources can be renewable and non renewable. Fossils such as coal and crude oil are the most common sources of energy in industries and homes. Here, we can cut down fuel requirements using burners, furnaces and engines that burn the fuel more efficiently.
Alternative sources of energy include hydroelectric power, nuclear energy, wind generators and solar panels. Wood, alcohol, could also be used as alternative sources of energy. Ad these are products of photosynthesis, they are renewable.
Answer:
Which of the following statements is true? 3. Adaptive defenses include both humoral and cellular immunity.
Explanation:
Definitely Innate defenses are not enough to keep a person healthly, there are a lot of other factors to take into account when we are considering people's health. Adaptive defenses not only include humoral immunity (mediated by macromolecules) , but also cellular immunity (does not involve antibodies).
I think the answer is two
Answer:
saprophytes are responsible for consumption of decay or decid matter