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:
470 million years

(Question)
Q: What term is used to describe an illusion that light from faraway objects is reflected by a pool of water that is not really there? Choices: - version - prototype - Mirror - mirage A:
(Answer)
mirage

Ques: Q: When is a moving car said to be in dynamic equilibrium? Choices: - at rest - at homeostasis - when accelerating - zero net force A:
Ans: zero net force

(Q).
Q: Diffusion can occur across a semipermeable membrane, such as the cell membrane, as long as a what exists? Choices: - polarity - parity - differential - concentration gradient A:
(A).
concentration gradient

Ques:Q: What is the process by which plants make their own food? Choices: - glycolysis - metabolism - cellular respiration - photosynthesis A:

Ans:photosynthesis

Ques: Q: The most common carbon atoms have six protons and six neutrons in their what? Choices: - ribosomes - neuron - membrane - nuclei A:
Ans:
nuclei