The spinner number 1 to 4 is spune twice and then added the two numbers. What is the probability of getting each sum?
i) 7
ii) Even
iii) Odd

In a floral arrangement, the focal area is often

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car