One Astronomical unit is equal to how much Km in whole numbers?

✅ C. A species facing a high risk of extinction

a: A nonliving resource | b: A species found everywhere | c: A species facing a high risk of extinction | d: A species with no habitat needs Read more

✅ A. H2O

a: H2O | b: CO2 | c: NaCl | d: O2 Read more

✅ B. Imaginary regions that encompass the path of the planets

✅ D. A species facing a high risk of extinction

a: A nonliving resource | b: A species found everywhere | c: A species with no habitat needs | d: A species facing a high risk of extinction Read more

✅ B. Mercury

Mercury is the closest planet to the Sun. Read more

✅ A. Eyes

✅ D. Nucleus

a: Molecule | b: Electron shell | c: Isotope cloud | d: Nucleus Read more

✅ C. An area of land draining to a common outlet

a: A weather satellite | b: A sea current | c: An area of land draining to a common outlet | d: A water bottle Read more