4. they are competing for resources
The brain releases endorphins as a natural pain killer.
Answer:
your answer is B. Habitat Loss
Explanation:
What is the #1 cause for the loss of biodiversity?
Habitat destruction
Habitat destruction is a major cause of biodiversity loss. Habitat loss is caused by deforestation, overpopulation, pollution, and global warming. Species that are physically large and those living in forests or oceans are more affected by habitat reduction.
Habitat loss and overexploitation, driven by our rapid population growth and unsustainable consumption patterns, are the primary causes of biodiversity loss which is now happening up to ten thousand times faster than for millions of years before.
Since you provide no further information,
That Liquid 2 is very likely to contain alcohol. When the alcohol is ignited, it's not the liquid part that is burning. When the temperature around the alcohol is increased, the liquid will produce Vapors. this vapor is the one that keep burning
The answer would be "an oncologist". Oncologists are medical practitioners qualified to diagnose and treat tumours.