“how fast do hummingbirds fly? ” why is the question a scientific question? it expresses an opinion. it can be tested during field studies. it can be answered without an investigation. it asks about phenomena that cannot be measured.

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 macromolecule is produced during translation? a. carbohydrate b. rna c. dna d. protein

Which entry is in the wrong position in the table?