It's kept on the ground before it hatches
This means that we all are the descendants of one ancestor !! thus our genes match !!
Answer:
excretory system and circulatory system
Explanation:
Blood is part of circulatory system and as it move through various organs it exchanges the gases i.e give oxygen to the cell and take carbon dioxide from them. After taking CO2, the blood becomes impure and hence it passes through the kidney before going to the heart. Kidney is part of excretory system which removes carbon dioxide from blood and thus purifies it.
if placed in a salt soultion it will shrivel and die if placed in just water it will burst
The answer is C. Because when you write an hypothesis you’re thinking about what might occur during and after the experiment. And your experiment must have independent, dependent, and control variables.
