Answer:
Human actions cannot change Earth's atmosphere . decrease in Earth's temperature . Although researchers at the polar station have now concluded that global average temperature has increased and that this is causing ice to melt, some scientists initially disagreed that the ice was melting .
Answer: White blood cells help the immune system and help fight infection and disease.
Answer:
Both are only physical changes.
Explanation:
Nothing about the objects chemically change, and they remain the same.
Their changes arent due to heating/cooling.
250cm3 i think im not sure about it though
Answer:
please mark as brainliest!!
Explanation:
ans: gas
The same number of particles in a gas spread further apart than in the liquid or solid states. The same mass takes up a bigger volume . This means the gas is less dense. Density also depends on the material.
