In an controlled experiment, why is it important to change just one variable at a time

p. s it a science question but they didn't have a science button

Which of the following is an example of complex system one with many parts and many variables A food chain B a simple machine C a diagram D the atmosphere

You are investigating the DNA content of a newly-discovered bacterial species, and find that this organism's genome is 26% cytosine. What percentage of this organism's genome is thymine?

Researchers began a study of a cultured cell line. Their preliminary observations showed them that the cell line did not exhibit either density-dependent inhibition or anchorage dependence. What could they conclude right away?

The odontoid process is found in the what?

Hot spot activity is unrelated tot he formation of iceland which sits atop a sea

Give one example for each type of communicable disease spread. direct person-to-person contact through animals by contaminated materials

How does water get to the leaves in the tops of the tallest trees against the force of gravity. Name the property responsible for this and explain how it works.

Which type of mindset do you have if you have high self-efficacy? Question 9 options: a fixed mindset a growth mindset

The relationship of blood flow (Q), resistance (R), and pressure (P) in a vessel can be expressed by which equation?

Plants that might be called "weeds" are often great pioneer species. What characteristics do they possess that would make them a successful pioneer species?