Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour
The significant effect of the Greco-Persian Wars was that Athens emerged as the most powerful of the victorious Greek city-states, leading to a Golden Age of peace and prosperity. <span>Like the Trojan War, the Persian Wars were a defining moment in Greek history. The Athenians would dominate Greece culturally and politically through the fifth century BC. The answer to your question is D. </span>I hope this is the answer that you are looking for and it comes to your help.
D. A variable or alteration to one part that affects an entire system
Explanation:
When talking about natural and physical systems, change is a variable or alteration to one part that affects an entire system.
Systems are groups of processes that have the same overall function. There are several types of interacting components that makes up both physical and natural systems in our world.
- The part of system is related and interconnected via the changes they undergo.
- Changes typically causes variation or alteration of parts of a system.
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Biogeochemical cycle brainly.com/question/3509510
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Answer:
Flood barriers are very affordable, lightweight metal barriers may be installed in different places and taken away when water disappears.
Explanation:
It seems That teh molecules can move towards the membrane
