Answer:
There will be two forces acting on her: Gravitational force and Air resisitence
S^2=3^2+4^2
S^2=9+16
S^2=25
S=√25
S=5m
the characteristics are to make and element
Naturally occurring or organic substances and molecules such as cell membranes are combination structures.
<h3>What are combination structures?</h3>
Combination structures are substances which result from the combination of two or more different substances.
<h3>What are some natural combination structures?</h3>
Natural combination structures are found everywhere in the natural world.
Examples of combination structures are organic compounds and molecules including:
- Cell membranes composed of lipids, proteins and carbohydrates.
Therefore, organic substances and molecules such as cell membranes are combination structures.
Learn more about organic structures at: brainly.com/question/24523369
