Which of the following statements about similarities among the inner planets is true
1. mercury and mars have the same number of moons.
2. mercury and venus have similar atmosphere.
3. earth and venus are about the same size.
4. earth and venus are closer to the sun than mercury and venus.

If a robot fixed another robot is it a engineer or doctor?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Which of these is a provisioning service people get from the ocean