"darwin's finches" reside on the galapagos islands. each species has a different type of beak, however, they can all be traced back to one common ancestor. the different beaks are an example of

reproductive organs
adaptations
speciation
genes

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius