Tides cause seawater to enter the mouth of the St. Johns River and can affect the river's level into the middle basin. As a result, much of the river in Jacksonville is part seawater, making it an estuarine ecosystem. The animals and plants in these systems can tolerate both fresh and salt water, and the fluctuations in saline content and temperatures associated with tidal surges and heavy rainfall discharge. Marine animals such as dolphins and sharks can be spotted at times in the St. Johns at Jacksonville as can manatees. Fish such as mullet (Mullidae), flounder (Paralichthys lethostigma), shad (Alosa sapidissima), and blue crabs (Callinectes sapidus) migrate from the ocean to freshwater springs upriver to spawn.
are there dolphins in the st johns river?
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Answer: yes

Although a driver is prohibited from consuming alcohol while driving, Missouri has no general open container law for vehicles, a characteristic which Missouri shares only with the states of Arkansas, Connecticut, Delaware, Mississippi, Virginia, and West Virginia. Any non-driving vehicle passenger thus is permitted to possess an open container and consume alcohol in Missouri while the vehicle is in motion, although 31 smaller municipalities, the largest being Independence and St. Charles, have local open container laws. The metropolises of St. Louis and Kansas City have no local open container laws, and thus the state law (or lack thereof) governs. This makes it possible for a passenger to drink legally through the entire 250-mile (400 km) trip across Missouri on Interstate 70 between Downtown Kansas City and Downtown St. Louis, only closing the container while passing through the city limits of Independence, Bates City, Columbia, Foristell, and St. Charles.
can you drink in missouri as a passenger?
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Answer: yes

The remainder of the expression is arrived at by finding an arbitrary point on the line. To do so, consider that any point in space may be written as r = c 1 n 1 + c 2 n 2 + ( n 1 n 2 ) (\displaystyle (\mathbf (r))=c_(1)(\mathbf (n))_(1)+c_(2)(\mathbf (n))_(2)+\lambda ((\mathbf (n))_(1) imes (\mathbf (n))_(2))) , since ( n 1 , n 2 , ( n 1 n 2 ) ) (\displaystyle \((\mathbf (n))_(1),(\mathbf (n))_(2),((\mathbf (n))_(1) imes (\mathbf (n))_(2))\)) is a basis. We wish to find a point which is on both planes (i.e. on their intersection), so insert this equation into each of the equations of the planes to get two simultaneous equations which can be solved for c 1 (\displaystyle c_(1)) and c 2 (\displaystyle c_(2)) .
can one point be in two different planes?
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Answer:
yes