Question

the seasons are caused by *
earths distance from the sun
the calendar
the suns temperature
the tilt of earths axis

a massive star that has collapsed so that its gravity prevents the escape of * 1 point
everything, including light.
pulsar
blackhole
black dwarf
dark matter

Explanation:

The tilt of Earth's axis causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to seasons. A black - hole is a massive star that has collapsed and its gravity is so strong that nothing, including light, can escape.

Answer:

1. The tilt of Earth's axis
2. blackhole