Okay, for the first one the anwser is D, for the second question the answer is B.
Answer:
1. Both food chains and food webs show the flow of energy in an ecosystem. However, food chains illustrate one path of energy, while food webs show multiple paths of energy and interactions among food chains.
2. About 90 percent of the energy at each trophic level is lost and not available to the next level. If the producer level has 100 units of energy, then 10 units of energy are available for the primary consumers.
3. Green plants. Just as 90 percent of the energy at each trophic level is lost, the amount of biomass is typically highest at the primary producer level and decreases in higher trophic levels.
4. Energy is lost to the environment in the form of heat.
Explanation:
Got this straight from Penn Foster, After I wrote the answers
"There's no way I would ever volunteer to be our graduation speaker," I snapped. jill [wol] was surprised. "I don’t even like raising my hand in school," I continued. "why on earth would I put myself in a position to speak in front of our entire class?" she smiled knowingly. "I think you have a lot to say, Divya, and it’s time to finally let it out. You always give me great advice. graduation is a major turning point, and everyone will be looking for a little advice and encouragement as they venture into the world. See? you [wol] the perfect person to give this speech!" seemed . . . . are.
Duties inclusive of reforestation, cleansing up beaches, nature trail construction, and invasive species control are just a few volunteer work examples. These volunteer roles are often very arms-on and physically disturbing, as you spend long days (or weeks) on your feet and out inside the factors.
At the same time as maximum volunteer jobs are unpaid, a few offer repayment in the shape of paid residing fees and stipends. In case you need to give returned to the network or advantage treasured work revel into listing to your resume, you would possibly consider applying for paid volunteer positions.
Volunteering requires you to be selfless and attention only on how you can create a significant impact. remarkable volunteers apprehend this and are eager to do the whole thing viable to bring about a wonderful trade. When you are working as a volunteer, it's critical to stay humble approximately your beyond accomplishments and talents.
Learn more about volunteering here brainly.com/question/3497511
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The answer is A.
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