Q: Most members of what mammalian order possess opposable thumbs? Choices: - marsupials - rodents - amphibians - primates A:
primates

Q: What is the leading cause of skin cancer? Choices: - artificial light - dehydration - smoking - sunlight A:
sunlight

Q: Q: What are the mass of threadlike filaments on the body of a fungus called? Choices: - dendrites - cytoplasm - cuticle - hyphae A:
A: hyphae

Question: Q: Because conditions are not ideal, most populations grow ____________. Choices: - historically - SOCIALLY - mathematically - logistically A:
Answer: logistically

*Question*
Q: What laws regulate radiation doses to which people can be exposed? Choices: - medical regulation laws - voltage protection laws - dose regulation laws - radiation protection laws A:
**Answer**
radiation protection laws

Q: Q: The oldest fossil of land plants date back how many millions of years? Choices: - 520 million years - 350 million years - 430 million years - 470 million years A:
A: 470 million years