How may the chemical make-up of a 200-year-old fossil differ from the chemical make-up of a 100- year-old fossil?

What are two australian geographical features that hindered early exploration? western plateau gulf of carpentaria great barrier reef great dividing range

What are three similarities between medc countries and ledc countries?

Tides are caused by a differences in the gravitational force of the sun at different points on earth. differences in the gravitational force of the moon at different points on earth differences in earth’s gravitational field strength at different points on earth’s surfac fluctuations in the gravitational attraction between earth and the moon.