An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?
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Which of the following is NOT a radioactive element?
___ has naked seeds.
Algae belongs to which of the following levels of the ecosystem?
What is the pH value of human blood?
The innovation theory of profit was proposed by
Goitre is caused by the deficiency of ___________
Which of the following are also known as Suicidal bag of Cells?