Answer:
D. The scientist uses tennis balls to show the position of the planets and Sun.
Explanation:
In a layman's terms, the solar system is a system consisting of the sun and the planets that orbits around it. These planets are as follows; Mercury, Mars, Earth, Saturn, Venus, Jupiter, Neptune, Uranus etc.
According to this question, using a physical model to represent or describe the solar system means the use of physical objects that can easily be seen or identified. Based on this explanation, the use of tennis balls to show the position of the planets and Sun suits the physical model description of our solar system.
To perform an actual<span> dissection, you will need a Dissection Kit: </span>Tray<span>, pins, </span>scissors<span>, scalpel, </span>forceps<span>, </span>goggles<span>, </span>gloves<span>, and probes. And, of </span>course<span>, a Preserved Frog.</span>
Cyanobacteria is the main evidence of life intheearly universe.
Answer:
the first ones were used to treat hallucinations and delusions, the second ones were used more in depth to block serotonin receptors, so there were less side effects...
Explanation:
Answer:True
Explanation: plants which lack vascular tissue is known as non-vascular plants. Vascular tissues consist of Phloem and Xylem.
Xylem vessels transport water and mineral through the plants while phloem vessels transport nutrients and products of photosynthesis via the plant.
Non vascular plants lacks features like Bark, so they do not grow very tall, they remain low on the ground. Examples include; mosses, liverworts etcetera.
