a scientific model is a model used to test theories. sometimes scientist use rats as a scientific model
There is a food vacuole in the cytoplasm of the amoeba. Both f<span>ood storage and digestion take place inside. Once digested, it reaches each cell organelle. </span>
<span>The correct answer is a. the overuse of fertilizer lead to reduced crop yields over time. This was unexpected because it is common for fertilizers to increase the yields and the quality of the product, but what happens over time is the opposite so it can be said that it's an unexpected consequence.</span>