Astudent is planning an experiment to find out the height from which he drops a ball affects how high the ball bounces what is the controlled variable

Athermometer is placed in water in order to measure the water’s temperature. what would cause the liquid in the thermometer to rise?

Although the two theories differ on the evolutionary path of dinosaurs, they agree that

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.