two students are pushing an object in the same direction. one is pushing with 800N of force. The other is pushing with 500N force. what is the total force on the box?

How does natural selection change thephenotypes within a population over time?

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

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.