37. What is the real shape of the Earth?

a Sphere b. Oblate spheroid

c. Round d. circle

38. Which of the following is not evidence that the earth is spherical in shape? a Earth casts shadow shaped like an arc of a circle on the moon.

b. Sailing ships eventually disappear in the horizon as they move

c. Position of stars in the heavens change as you go north or south of the equator d. Typhoons normally develop in the oceans and not on land.

39. What is the value of the critical radius for heavenly body made of rock to have gravity strong

enough to cause it to be a sphere? a. 350 km

b. Equal to the radius of the earth

c. Equal to the radius of our moon

d. 500km

40. A driver is travelling from Pasig going to Los Baños, Laguna. He took the South Luzon Expressway (SLEX) which has a speed limit of 60 kph minimum to 100 kph maximum

What should he do while driving in SLEX?

a. His speed should be lower than 60 kph.

b. His speed should be higher than 100 kph.

c. His speed should be constant between 60 kph to 100 kph. d. He should stop at the middle of the road to look at his map on the phone​