Answer:
Causes refer to the underlying factors and reasons that lead to asthma. Triggers mean the conditions that aggravate or usher in an asthma attack. Knowledge of both causes and triggers will help you manage your asthma.
I hope this helps.
Answer:
Coal is a fossil fuel. It comes from the remains of plants that died about 100 to 400 million years ago. Coal is a non-renewable energy source because it takes millions of years to form
photosynthesis materials aka H20 CO2 ( water and carbon dioxide)
Theories basic to all of the life sciences include the cell theory because all living things are made up of cells.
Every species exhibits variations based on various genes being activated at various times. An example with humans can be eye color or hair color. What species means is that all members of a species can procreate with healthy, capable of procreating progeny, but anything else is just a variation.
