The Kingdom is the highest rank in classification. It is subdivided into 5 major kingdoms while as species is the basic unit of classification. A species can be defined as a group of interbreeding organisms that are capable of producing fertile offspring.
Answer:

Explanation:
We are given that

Height of tank=h=10 ft
Radius of tank, r=4 feet
We have to find the dh/dt when the water is 4 feet deep.


Volume of cone , 
Substitute the values
Volume of cone , 
Differentiate w.r.t t

Substitute the values


Mainly because he was Johnny Carson's advisor and consultant
on space, astronomy, and science in general, and he appeared
on The Tonight Show Starring Johnny Carson many times.