What type of organism secretes calcium carbonate plates that overlap to form a spherical test? A. Coccolithophores
B. Decomposers
C. Dinoflagellates
D. Diatoms

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.