A scientific theory is the description of the topics or the subjects of the universe or the biological world that undergoes repetitive analysis and tests so that the results are correct and accurate.
The correct blanks are option C. <u>testable </u>and <u>supported</u>.
<h3>What is an accurate scientific theory?</h3>
- The theory to be accurate and provable must be able to analyse and be supported by the evidence and proofs.
- The reason given in accordance with theory must support the principle and procedure of the theory and should be testable.
Therefore, option C is correct.
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brainly.com/question/1621455
It became filled with more sediment
<u>Answer:</u>
Facilitated diffusion is a process in which movement of the particles is facilitated in and out of the cell membrane by using two ways:
Channel protein
Carrier protein
<u>Explanation:</u>
Protein channels transport only water and certain ions by forming particular pores or passageways across the cell membrane. These channels are very selective and only open their gates when they receive a particular signal.
Proteins carriers which are called uniporters transport amino acids and sugar from higher concentration to lower concentration.
Nitrogenous base, sugar and phosphate