Forces that act in pairs are said to be . A. Stable
B. Unbalanced
C. Unstable
D. Balanced

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

What is the compliment dna strand to the following sequence: ttgactaggcta