Answer:
2
Explanation:
3 is physical 4 is as well so it has to be 1 or 2
Answer: About 445 Million Years Ago
Explanation: The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.
Answer: 'Tropic Zone', which is the belt around Earth's middle. It's between the 'tropics' of Cancer and Capricorn.
Hope this helps. - M
Answer:
Revenues from petroleum.
Explanation:
Oil or petroleum exports are the main source of revenue and foreign exchange earnings for the Nigerian state. Nigeria had a GDP of $376.4 billion in 2017. Industry makes for 22.5 % of the GDP (2017).
Answer:
The JWST will provide improved infrared resolution and sensitivity over Hubble, and will enable a broad range of investigations across the fields of astronomy and cosmology, including observing some of the most distant events and objects in the universe, such as the formation of the first galaxies.
