Answer:
B
Explanation:
organ system is two or more organs working together to perform a specialized function.
1. They combine to form electrons
2. it's a compound because it will be able to cure a disease
Earth<span> can be divided into three main </span>layers<span>: the core, the mantle and the crust
Your answer would be, Core.
(Could also be called inner core)
Think of it as a watermelon, you have the crust, which is the green part, the mantle which is the whitish green part and the red which is the core.
Hope this helps.
In case you didn't get any of that, the answer is Core</span>
<span>A simple scoring model for project evaluation requires score values assigned to each criterion in terms of its
rating.
</span><span>The
projects managers also use this simple scoring model to choose the best project
for the company, keeping in mind about the limited resources of the company. To
evaluate the projects, the criteria used is the assigning weights by a simple
scoring model.</span>
