AnsAnswer:
Time, space, and energy phenomena can be observed at various scales using models to study systems that are too large or too small. The observed function of natural and designed systems may change with scale. Scientific relationships can be e use of algebraic expressions and equations.
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Answer:
I don't know sorry need kalng points HAHAHAHAHAHA
It's is the parenchyma tissues which are a group of thing cells made of thick walls with cellulose
Clues such as fossils such as bones, footprints, tar, etc, preserved underground helped inform scientists. You can also count how old a tree is when you cut it open and there are some alive for thousands of years so that is a possible way.
Am pretty sure C or A but I think C