Answer:
starch
Explanation:
starch turns blue black in the presence of idonine
I would thing that the answer is A
Positive and negative interactions greatly affect participation in a physical activity. For positive interactions, it encourages participants to have physical activity thus having physical function. Companionship with friends also is a positive effect especially with adolescents. On the other hand, negative attitude would mean the participant would not exert any effort in participating any activity.
The leading cause of visual impairment global is cataract. The correct option is A.
<h3>What is cataract?</h3>
A cataract is an overcast region in the eye's lens. Cataracts are very prevalent as individuals age.
In reality, more than half of all people aged 80 and up have cataracts or have undergone cataract surgery. Individuals may not realize they have a cataract at first.
Cataracts are one of the primary drivers of vision impairment and blindness.
Thus, the correct option is A.
For more details regarding cataract, visit:
brainly.com/question/16347069
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