Answer:
Explanation:
Diana's age is d.
Carol is 3 years younger than half of her sister Diana's age.
Carol's age = 
Where d is Diana's age.
Hence, Carol's age is .
Random assignment will be useful in he research by Professor Menendez to ensure that each participant has equal chance.
<h3>What is a random assignment?</h3>
A random assignment simply means the use of chance procedure to ensure that everyone has an equal chance of being selected.
Placebo condition is any treatment which has no active properties. It's when people experience a benefit after the administration of an inactive treatment.
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The sky is blue because air molecules in the air scatter blue light from the sun more than they scatter red light.
Answer:
Which statement best describes properties of elements?
A. All elements have a similar structure and hardness.
A. All elements have a similar structure and hardness.
B. All elements have mass and occupy space.
B. All elements have mass and occupy space.
C. All elements are either metals or gases.
C. All elements are either metals or gases.
D. All elements are solid and magnetic.
D. All elements are solid and magnetic.
Explanation:
The correct answer is C
oversqaured
it is also called short-stroke engine. Usually the bore diameter is<span> greater than its stroke length. This gives a bore/stroke ratio greater than 1:1.</span>
