Lake Nettle is 180 kilometres wide. A yacht sailing east at a constant velocity took 2 hours to cross half the width of the lake. What was the yacht's velocity? Write your answer as a whole number.

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting

What is the starting point in replication called