The layers on the top may be younger, while the bottom layers may be much older.
Just to add on over time they have develiped a tuff outer layer to stop weather and insects from harming them.
<h3><u>Answer;</u> </h3>
= 3.68 g/cm³
<h3><u>Explanation;</u></h3>
Density is given by dividing the mass of a substance by its volume.
Thus; Density = mass/ volume
In this case; mass = 92 g and Volume = 25 cm³
Therefore;
Density = 92 g/ 25 cm³
<u>= 3.68 g/cm³</u>
The most painfull effect resulting from loss of insect species globally would likely be a drop in crop pollination.
<h3>What do you mean by pollination?</h3>
Pollination is the act of moving pollen grains from the male anther of a flower to the female stigma. The goal of every living organism, contains plants, is to create offspring for the next generation. One of the ways that plants can make offspring is by creating seeds.
Thus, option "B" is correct, The most painfull effect resulting from loss of insect species globally would likely be a drop in crop pollination.
To learn more about pollination click here:
brainly.com/question/13260796
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"Against"? Well just get a carnivore.