g. Using a crowbar of lm, 200N effort was needed to lift 600N load. If the fulcrum was 20 cm away from the load. Calculate it MA, VR and efficiency. [Ans: 3, 4, 75%]

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

What does it mean for an allele to be dominant?