[ General Knowledge ]

Mineral that enables blood to carry oxygen.

A. Calcium
B. Potassium
C. Iron
D. Magnesium

Select your answer:
     


Random Topics:
Later vs. LatterDespite, In Spite Of, Although, Even Though, HoweverPresent Continuous Tense

Next quiz: Grammar

She __________________ a prize by the jury at the Festival.

A. Gave
B. Won
C. Was winning
D. Was given


How to use : Read the question carefully, then select one of the answers button.

Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.