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
Exocrine glands release secretions outside of the body.
One way to remember this is:
exo = outside
endo = inside
An example of an exocrine gland is a sweat gland. They release sweat (an excretion) to the outside of your body.
I hope this helps! I'm happy to answer any other questions you might have :)
what makes the finger prints so unique is the pressure on a babies finger in the womb.
homologous chromosomes ... sister chromatids