Chemical changes I think but also I think both but mostly chemical I think.
Hope it helps
Answer:
So you’re going to learn a new language. The first step is to find someone to learn the language with. It can be your brother, sister, mother, father, or friend. Having someone to learn alongside whoever they are a great way to stay motivated. It also means you have someone you can practice speaking and listening with.
Explanation:
I put the commas here:
It can be your brother, sister, mother, father, or friend.
Commas are used to separate the different ideas. So they are necessary to separate these words.
Answer:
i would say that they really do develop over time
Explanation:
The correct answer is Biosphere.
