Xian drew a diagram to compare deletion mutations and substitution mutations.

Which label belongs in the area marked "X"

1. May change the type of amino acid.
2. Decreases the number of bases in the sequence.
3. Does not change the type of amino acid.
4. Increases the number of bases in the sequence.

Which description provides the best objective summary of the article in the passage?

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.