Pablo wants to enter the science fair. Which question could be answered through scientific investigation?

2 answers:

8 0

D.What is the best angle to throw a ball for maximum distance? Because this is the only question in above all of them which has some scientific investigation like angle that is use in many of the physics relations.

Zinaida [17]3 years ago

3 0

The correct choice is

D.What is the best angle to throw a ball for maximum distance

A) Incorrect . Since the which sport is fun varies person to person.

B) Incorrect. This question does not need a scientific investigation to be carried out to answer it. instead we can search the for the records of the pitcher of the last hundred years and then do a comparison.

C) Incorrect. This is more of general knowledge question

D) Correct. we can carry out a scientific investigation by throwing a ball at same speed and various angles and check at which angle does the ball travel the maximum distance.

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The Carson family's pancake recipe uses 2 teaspoons of baking powder for every 1/3 of a teaspoon of salt. How much baking powder

melomori [17]

Answer:

6 teaspoons of baking powder required.

Explanation:

Given that

According to the recipe of pancake,

For every $\frac{1}{3}$ teaspoon of salt, 2 teaspoons of baking baking powder is required.