Only after an experiment has been run over and over again to
Lignin
It is a complex organic polymer that form an important structural materials in the support system of vascular plants and can also be found in some algae. This is an important molecule in the structural composition of cell wall, such as in wood and bark. This also allow woods and barks to have strong, rigid which allows them to no break easily. Lignin can also be found inserted in the cell wall of this plants.
When an object is in motion, it possesses kinetic energy.
Option b is the only correct answer
<h3>What is kinetic energy?</h3>
Kinetic energy is the energy a body has or possess due to its relative motion.
Some few examples of kinetic energy are as follows:
- Running
- Walking
- Cycling
- Car movement
- Aeroplane flying
Learn more about kinetic energy:
brainly.com/question/8101588
Answer:
Marshes, swamps, and bogs are all considered wetlands. ... Wetlands are not considered freshwater ecosystems as there are some, such as salt marshes, that have high salt concentrations—these support different species of animals, such as shrimp, shellfish, and various grasses.
Explanation:
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Because the rib muscles and diaphragm contract,increasing the lung volume
