Why does a block of metal sink in water but the same size block of wood float?

the molecules in the metal are closer
together than the molecules of the wood.
the metal is more compact.

the molecules in the wood are closer together than the molecules of the metal.
the wood is more compact.

the wood has air in it, making it lighter.

the metal has more gravity, making it sink.

Agroup of students are walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind.what caption can the student use for this picture? fahrte "littl1111111nimmt-hhhfull film# # #gene mutation in actiongene flow at workgenetic drift as it happensnatural selection in progresshii

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?