Vertical and horizontal lines are an element of Mondrian's art symbolized harmony between opposites.
Answer:
insulin
Explanation:
The insulin that has the longest duration of action, which is the length of time it works, is usually either the intermediate-acting insulins such as NPH insulin (human), or the long-acting insulins such as insulin glargine (Lantus) or insulin detemir (Levemir). Their duration of action can be up to 24 hours long.
