Xác định giao tử của các kiểu gen sau Aa, AA, aa, AABB, AaBb, AAbb, AAbb, aabb, aabB, aaBB,

The body is protected against harmful flu viruses by

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective