During a donation drive, $9210 was collected by 80 students. each girl donated $120 and each boy donated $105. how many girls are there? ( use supposition )

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

The diagram shows a chicken embryo and a human embryo

The dna sequence ttg is changed to tcg and produces a new protein. which type of mutation is this? missense nonsense silent frameshift