Athin-walled plastic bottle is sealed at an altitude of 19,000 feet. what would happen to this bottle if it is carried down to 1,000 feet? it will shrink and collapse. it will expand and burst. it will expand but will not burst. it will shrink but maintain its shape.

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

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.

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?