Answer:
sun
Explanation:
it gives energy to all things. light energy.
Answer:
the variable that is being measured
What was the investigation? But from my best guess I'm assuming it's the second option. This may be incorrect.
the first answer as blood needs to be oxygenated to be passes round the body then when its deoxgenated it will return to the heart to be pumped around the body again
Answer:The Rainforest mesocosm, at the north end of Biosphere 2, was created to simulate several tropical Rainforest habitats. The biome can be divided into the following habitats: Bamboo belt of dense bamboo species was intended to screen the biome from airborne salt that might be entrained from the ocean biome.
Explanation: yes
