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The molecule arrangement of ice, water and steam are very different. Ice has the most ordered arrangement, water has the next most orderly arrangement, and steam has the least orderly arrangement of molecules.
Option A.
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Salt dries out the mucus on slugs
Answer:
b. ecosystems in a region, species in an ecosystem, and genes and alleles in a species.
Explanation:
Biodiversity has three levels - ecosystem, species and genetic diversity. Therefore, Biodiversity can be defined as the variability among living organisms involving terrestrial, marine, and other aquatic ecosystems, genes and alleles in a species and their ecological complexes such as diversity within species, and between species of the ecosystems.
Answer:
200 different types
Your body has many different kinds of cells. Though they might look different under a microscope, most cells have chemical and structural features in common. In humans, there are about 200 different types of cells, and within these cells there are about 20 different types of structures or organelles.
Explanation:
The molecules are the smallest particles of substance but still retain properties of substance