Answer:
Radioactive labeling is a procedure used to monitor the path followed by a chemical element within a biological system to demonstrate the source.
Hypothesis:
The free oxygen produced during photosynthesis comes from water.
Procedure.
Single-celled algae were placed in four petri dishes containing carbon dioxide, glucose dissolved in Water.
In each box the oxygen was radioactively marked.
1 petri dish with CO2 marked. Experimental groups
2 petri dish with H2O marked. Experimental groups
3 petri dish with Glucose marked. Experimental groups (control)
4 petri dish with CO2 + H2O + Glucose, all marked. (control).
Chromosomes is the answer
The answer to your question is H2O
Your answers are going to be: Will succeed, Will reevaluate, and Will create.
Reason: Had is past tense and Has is present tense. Will is the only word that indicates that the actions <em>will be done</em> in the future instead of having already <em>been done.</em>
The nuclear family is the most common family structure in all cultures around the world as. Yes , nuclear family or <span>elementary </span>family<span> is a </span>family<span> group consisting of a pair of adults and their children.</span>
