How do scientists try to answer questions that cannot be tested with experiments?

What are 9 subfields of biology?

What can atp be broken down into?

Functions of the endocrine system

Lipids are broken down by bile and digestive enzymes before absorption into the body. where does absorption take place?

What makes up the sun particles

Imagine you have a raised garden bed filled with soil that no one monitored for a year. What would you expect it to look like the following year? How about 5 years? What about 100 years?

Why do constellations in the night sky change seasonally? A. Earth rotates around its axis. B. Earth revolves around the sun. C. Earth moves closer to the moon. D. Earth tilts on its axis. 5 / 9 0 of 9 Answered

Which of the following could result from an algal bloom in a river?

A common element among all the river valley civilizations was: irrigation systems that moved water to crops and settlements developed plumbing systems developed written materials the worship of leaders as God's

A person's skin cells and eye cells make different types of proteins to perform their functions. What is the source of the instructions from which all of the proteins are made? (A) Genes (B) Mitochondria (C) Ribosomes (D) Gametes