The 4 ways are:
to be tactful
diplomatic
firm yet Flexible
friendly yet professional
The second one due to the fact that pioneer plants come in much later
Scientist, a fact is something that can be tested by anyone with the proper skill and equipment, and that repeatedly and reliably gives the same result every time. A scientific theory is a body of knowledge based on facts that describes their interaction in the simplest possible way
Antagonists muscles (e.g. biceps and triceps brachii)
