Are there any answers to choose from?
Answer:
B
Explanation:
because scientist are curious people who find solutions to there curiousness
They aerate the soil, pollinate blossoms, and control insect and plant pests. Many insects, especially beetles, are scavengers, feeding on dead animals and fallen trees, thereby recycling nutrients back into the soil. As decomposers, insects help create top soil, the nutrient-rich layer of soil that helps plants grow.
hope this helps (:
Index cards will improve a presentation because index cards are note cards saying information that you need to or will speak or remember because when you go to present you won't get tongue tied and say the wrong thing at the wrong time and you won't get information wrong because you will know what to say using the Index Cards