When there is less natural gas, a luminous flame will appear if the gas control valve is slightly closed. In addition, once the air valve is operated the flames also reduce in volume the luminous flame vanishes and the blue light becomes more lively.
The couch that is being tested on is the experimental group
Pretty sure it's 2. She dyed her hair red so that means she does not have the genes for red hair. If she did, it would be passed to her kids with sex cells
Answer:
True
Explanation:
The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body's tissues.
I hope this was helpfull
Answer:
ecosystem is sun, population is grass, species is animals, habitat is forest, community is undergrowth plants, and organism is structure.i hope this helps you
Explanation: