Q: The oxygen atom in a water molecule pull the electrons away from the hydrogen atoms which leads to an unequal distribution of what? Choices: - nitrogen - atomic mass - orbits - charge A:
charge

Q: More than half the compounds produced by the chemical industry are what? Choices: - replacement polymers - artificial polymers - gas polymers - synthetic polymers A:
synthetic polymers

Q: Q: What type of respiration does not use oxygen? Choices: - condensation - oxidation - cellular - fermentation A:
A: fermentation

Question: Q: What part of earth do many animals use for navigation? Choices: - oceans - atmosphere - molten core - magnetic field A:
Answer: magnetic field

*Question*
Q: What is a common name for the descriptive hypothesis that help to understand patterns of descent? Choices: - genetic trees - genetic order - gene mapping - evolutionary trees A:
**Answer**
evolutionary trees

Q: Q: In many polychaetes, the parapodia are richly supplied with blood vessels and also function as what? Choices: - tails - pores - scales - gills A:
A: gills