The retinas of night hunting animals have more rod cells which enable them to see better with minimum light.
Answer:
Option A, a compound that contains carbon atoms bound to other elements
Explanation:
An organic compound is one which has at least one carbon atom that is bonded to several other atoms (may be metallic or non metallic) by a single or double bond is termed as organic compound . The most common atoms with which carbon forms bond are hydrogen, nitrogen,and oxygen.
Some common examples are -
Methane - 
Methanol - 
Hence, option A is correct
<u>Answer:</u>
<em>The south beach in Florida is at high risk of flood from high tide.</em>
<u>Explanation:</u>
Even at the no rain days the sea level of the south beach rises creating a fear for the resident about the flooding. The cities in the Florida are maximum on the limestone, so it is obvious that water will rise through it very soon.
The interaction between the sun and moon causes the high tides to occur even in the sunny days.
Answer: Vasodilation of the arteries lowers blood pressure and decreases the force that the heart muscle needs to exert to pump blood., the cell signaling mechanism begins when $NO$ diffuses into the smooth muscle cells of the blood vessel and activates guanylyl cyclase.
Explanation:
Between 5 and 90 hours :)
