Ascientific theory states that the universe is expanding. which of these statements is correct about this theory?
it is a fact which cannot change over time.
it is strengthened by data which is always contradictory.
it will become a law if it is supported by scientific evidence.
it is a well supported explanation which cannot become a law

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.