Answer: First Third Fourth Choice
Explanation: Becuz when water freezes, the density becomes lower and the bonds stabilize, resulting in the molecules moving apart.
Expository writing is explaining things in clear, logical steps, whereas narrative writing is telling a story, either fiction for enjoyment or an educational or exemplary story for an essay.
Its A. Eukaryotic cells are found in multicellular organisms which is why they have membranes unlike the prokaryotic single celled organisms
The number of valence electrons define how the elements combine. For example, if element A has 3 valence electrons and element B has 5, they would share so that both element satisfies the octet rule.
Pollution
Most environmental problems can be traced to three underlying causes; the number of humans on this planet, utilization of resources at a very fast rate and pollution.
Pollution is the contamination of the environment by the introduction of any substance (pollutants) which may be liquid, solid or gaseous that makes the environment dirty and unhealthy. The major types of pollution include land pollution, water pollution, and air pollution. Others include noise pollution and light pollution.
