Observation/ question
research
hypothesis
<span>experiment
</span>analysis
conclusion
They are examples of physical<span> contaminants .</span>
Photosynthesis is the process by which plants create their food. It involves the operation of enzymes in the plant cells , and they work best at certainpH levels. ... Thus, as the plant's pH drifts away from the best pH, the rate of photosynthesis will decrease.
Answer:
a) is correct.......,.....
Respiring while swimming underwater
Because anaerobic respiration means respiration with no oxygen, and there is no oxygen underwater
