Answer:
I believe the answer would be insulated container.
Because it’s time consuming and money consuming to observe from space so models are required
Is a proposition that has not been empirically proven yet, and that attempts to describe or justify a system or phenomenon.
Answer:
A. Specialized cells are made up of tissues
Explanation:
Cells make up tissues, tissues make up organs, organs make up organ systems and organ systems make up an organism.
All the other options are correct, but cells are not made up of tissues.
Hope this helps!