Colder air masses are temped Polar or Arctic. While warmer air masses are termed Tropical. Continental and Superior air masses are dry while maritime monsoon air masses are moist. Weather fronts separate air ,asses with different density (Temperature and/or Moisture) characteristics.
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Answer:
a
Explanation:
If populations can interbreed, they are considered one species.
Answer: fossils are remains of dead or extinct animals/plants
The prokaryotic cells contain more DNA
Chloroplast helps the plants and makes photosynthesis happen