The weight of a molecule of the compounds C60H22 is
(A) 1.4 × 10-21 g
(B) 1.09 × 10-21 g
(C) 5.025 × 1023 g
(D) 16.023 ×
how to solve
About ____________of Earth's surface is covered with water.
won't it be 3/4th ?
Study the given food web carefully and answer the question that follows.
Which changes will result in an immediate decrease in the wolf population?
1. A decrease in the grass population
2. An increase in the tiger population
3. A decrease in the deer population
4. An increase in the rabbit population
B1 and 2
C3 and 4
D1, 2 and 3
Identify the incorrect statement.
AInvoluntary muscles are controlled by brain and spinal cord
BTendons attach muscles to bones.
CCardiac muscles are involuntary muscles.
DVoluntary muscles in arms and legs are smooth muscles.
Even Answer A is incorrect as Involuntary muscles are not controlled by brain.What is the meaning of smooth muscles. This is a very confusing question.
two positions of the dice are shown.
What will be number at the bottom, if 5 is at the top?
Please explain how the answer would be 2.
Three friends, Jaya, Rati and Sonu were asked to complete the given sentence. All_________ things can ________.
Which friend made an incorrect attempt?
A Jaya Natural, Breathe
B Rati Non-living, Be moved
C Sonu Man-made, Reproduce
D All of these
Which of the following lines together can represent the axis and equator of our Earth?
how could equator be slanting