Quiz 9 Answers
- Keratin – the same material that forms the bulk of your hair and fingernails.
- Currently, approximately 3 hours 22 minutes (at its closest approach). The space station’s orbit can change, however is maintained between 278 km and 460 km above the Earth’s surface.
- a). Given the moon is moving away from the Earth at a rate of 3.8 cm a year, its orbit is slowly increasing in size.
- 37
- They are types of ant. According to CSIRO entomologists, these invasive pests are wreaking havoc in northern Australia, causing major environmental, economical and social damage.
