Answer: "A muscle cramp is a sudden and involuntary contraction of one or more of your muscles"
Explanation:
Answer:
<em>What are three measures of life variations?</em>
<em>Species diversity, genetic diversity, ecosystem diversity</em>
Explanation:
<em>Biodiversity</em>
<em>The amount of biological or living diversity per unit area. It includes the concepts of species diversity, habitat diversity and genetic diversity.</em>
<u><em>I hope this helps and have a great day!</em></u>
The pathogen that cause is infection in bacteria
Answer:
organic material, minerals, and weathered rock.
Explanation: air cant be mixed into soil and neither can water
