Answer:
it stresses secrecy in scientic investigations
<span>They have very stable outer electron shells</span>
The mass extinctions that occurred 250 million years ago and 65 million years ago may have been due to gradual process or Catastrophic events.
Answer:
The dense fog covered the town. The alarm rang earlier than usual
this morning. Explanation: “The alarm rang earlier than usual this morning” and “The dense fog covered the town” are details about the time and place. They are pieces of textual evidence that describe the setting.