Diagram illustrating the orbits of the Moon around Earth and Earth around the Sun, with multiple-choice questions about gravitational forces and orbital relationships.

Let me carefully analyze the image to solve each question.

First, I'll examine question 1: "This drawing shows:" with options about planetary orbits.

Looking at the diagram:
- The Sun is in the center
- Mercury and Venus are shown orbiting the Sun (inner planets)
- Earth is also orbiting the Sun
- The Moon is shown orbiting Earth
- Arrows indicate orbital motion

So the drawing shows both:
- Mercury, Venus, and Earth orbiting the Sun (heliocentric model)
- The Moon orbiting the Earth

That matches option "e. Both a and c" where:
a. Mercury, Venus and Earth orbiting the Sun
c. The Moon orbiting the Earth

Now question 2: "What force keeps these objects in their orbits?"
The options are friction, electricity, magnetism, gravity.

In space, the force that keeps planets and moons in orbit is gravity - the gravitational pull between massive objects.

Question 3: "Which of the pictures below show the correct relationship between the Earth, Moon and Sun in space?"

Let me examine each option:
a. Shows Earth orbiting Sun, Moon orbiting Earth - this looks correct
b. Shows Moon orbiting Sun directly, with Earth also orbiting Sun - incorrect, Moon orbits Earth
c. Shows Sun orbiting Earth - geocentric model, incorrect
d. Shows Earth orbiting Moon - incorrect

Option a appears correct, but let me double-check. In reality, the Moon orbits Earth while Earth orbits the Sun, which is what diagram a shows.

Wait, let me look more carefully at diagram a: It shows Earth in an elliptical orbit around the Sun, and the Moon in an orbit around Earth. Yes, that's correct.

Actually, looking again at all diagrams, I need to be precise. Diagram a shows Earth orbiting Sun with Moon orbiting Earth - correct.
Diagram b shows Earth and Moon both orbiting Sun separately - incorrect relationship.
Diagram c shows Sun orbiting Earth - wrong.
Diagram d shows Earth orbiting Moon - wrong.

So only diagram a is correct.

But let me verify question 1 again. The drawing shows Mercury, Venus, and Earth orbiting the Sun (yes), and the Moon orbiting Earth (yes). So option e "Both a and c" is correct.

For question 2: gravity is the force.

For question 3: diagram a is correct.

Let me use the zoom tool to get a clearer view of the diagrams to confirm.