Answer:
The correct answer is option B. yes because there are one variable and a control.
Explanation:
The validity of experiments can be tested by the four components of experiments. These four components are control, dependent variable, independent variable, and constants. All of this basic component is the validity of the experiments.
In this experiment there is the control where experiment is performed within controlled and there is also one variable.
Thus, the correct answer is option B. yes, because there are one variable and a control.
Answer:
Ciliary muscle
Explanation:
Muscle that changes the thickness of the eye lens through contractions and relaxations
Answer: Despite over a century of research and development, currently high-speed maglev cars are only available in China and maglev transport systems are now operational in just three countries
Answer:
Bacterial populations employ native defenses against antibiotics that are analogous to the activity of protonophores. These mechanisms disrupt membrane electrochemical gradients that enable bacterial populations to establish subpopulations of drug-tolerant persisters
Explanation:
When we cultured in bacteria by adding growth promoting factors for rapid growth, what happened in this time. At that time bacteria growth/size are increase or both .