19. Geological evidence indicates there was once a warm tropical climate in what is
now New York State. Other evidence
shows that millions of years later, huge
ice sheets covered the state.
Which of the following statements can be
concluded from the information above?
(1) Climates of the future will always be
as they are today.
(2) The size and shape of the oceans
remain constant through time.
(3) Glaciers are limited to the polar
regions.
(4) There have been considerable
climatic fluctuations in the past.
(5) An ice age always follows a period of
tropical climatic conditions.

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

the given statement is true.

sensory memory lasts for a fraction of seconds before the information is lost. it is the shortest -term memory and can be called as an element of memory. example: when we look at something and remember what it looks like, is just a second of observation. it degrades very quickly. it can also be considered as the process of perception rather than considering it as a memory.