Q: What was the first object to form in the solar system? Choices: - earth - moon - jupiter - sun A:
sun

Q: Antibodies also mark pathogens for destruction by which cells? Choices: - interferons - leukocytes - platelets - phagocytic A:
phagocytic

Q: What term is used to describe birds that mate for an entire season or even stay paired for their entire life? Choices: - asexual - polygamous - homogeneous - monogamous A:
monogamous

Q: Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles? Choices: - electrons - atoms - isotopes - ions A:
ions