Define concentration gradient?
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What is telophase?
Give two of examples of Modern agricrlture implements ?
why do we sneeze? is there any relation between the 'random sneezing' and our brain?does our brain control this involuntary action?
Describe the E. coli culture contamination ?
What are organelles, which carry out autophagy?
Define monera?
What is the difference between food infection and food?
How graduated cylinder is used?
Explain the main difference between a bird heart and a mammalian heart?
Explain how much salt is in the human body?
When does rain fall?
What is brain freeze?