Answer:
Key Performance Indicator
Explanation:
Paleozoic Era, also spelled Palaeozoic, major interval of geologic time that began 541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history. The major divisions of the Paleozoic Era, from oldest to youngest, are the Cambrian (541 million to 485.4 million years ago), Ordovician (485.4 million to 443.8 million years ago), Silurian (443.8 million to 419.2 million years ago), Devonian (419.2 million to 358.9 million years ago), Carboniferous (358.9 million to 298.9 million years ago), and Permian (298.9 million to 252.2 million years ago) periods. The Paleozoic takes its name from the Greek word for ancient life.

Indirect speech:
The judge asked the lawyer if/whether he would be able to complete his arguments the next day.
Explanation:
The dialogue inside the inverted comma is a interrogative sentence or a question being asked by the Judge to the lawyer, the reporting verb 'asked' will be used.
And as the reporting verb is in past tense, the main verb will also be converted to past tense. The time mentioned 'tomorrow' will change into 'next day'
⛱️ 
I'm not going to write 50 words, but historical context is always important so you can use examples.
Answer:
I can't see the text
Explanation:
BUT you can always
right click
go to inspect elements
and hover over the text answers
if one is highlighted green, it's correct