Q: Q: In what type of reproduction do parents of different sexes mate to produce offspring? Choices: - subject reproduction - parallel reproduction - dual reproduction - sexual reproduction A:
A: sexual reproduction

Q: Q: All cells need what for processes like active transport? Choices: - hydrogen - sunlight - oxygen - energy A:
A: energy

Q: Q: Despite its small size, an erythrocyte contains about 250 million molecules of what? Choices: - calcium - plasma - potassium - hemoglobin A:
A: hemoglobin

Q: Q: Which factor causes a cannon ball to move horizontally and then fall on the ground? Choices: - cone motion - fluid motion - downward motion - projectile motion A:
A: projectile motion