B. stars form large groupings
What were Lamarck's ideas about evolution and why were those ideas incorrect
Answer:
Isotopes of an element share the same number of protons but have different numbers of neutrons. Let's use carbon as an example. There are three isotopes of carbon found in nature – carbon-12, carbon-13, and carbon-14. All three have six protons, but their neutron numbers - 6, 7, and 8, respectively - all differ.
Explanation:
The natural seed spread for purple loosestrife is through water or animals.
I hope this will help.