Answer:
D.
Explanation:
Viruses are oftentimes short lasted and disappear quickly.
Answer:
This question is asking to identify the variable in the experimental statement.
The eye chart is the CONTROL VARIABLE
Explanation:
An experiment consists of several variables to look out for in order to achieve any significant result. These variables are independent variables, dependent variables and control variables. Although independent and dependent variables are the major experimental variables, but control variables are also important.
A control variable is the variable that remains constant or unchanged throughout the experiment. Any change to the control variable will affect the dependent and independent variables. In this question, the eye chart is the CONTROL VARIABLE because it remains constant or unchanged. The same eye chart is used for the experiment.
N.B: The distance to the eye chart is the independent variable while the number of letters visible on the line is the dependent variable. Hence, changing the eye chart (control variable) will affect the distance and the number of letters visible.
I think it’s c bc it say one way to make the earths coal supply last longer and you can build and use solar power plants
Break down food into simpiler compounds in order to supply nutrients to the body - monosacchrides, nucleotides, peptides, lipids.
The answer is none. carbon has a symbol (c) but there is no symbol for carbohydrates because its not a chemical compound.for example fats or vitamins or minerals
