Answer:
Pb has an atomic mass of 82. If an atom of that element has an atomic mass of 80, that atom is known as: an isotope.
The number of times per week that exercise is performed is known as frequency.
Exercise frequency answers the question how many times you workout per week total. This includes weight training workouts, cardio workouts.This is value that can vary depends on many factors specific to individual (age, weight, condition). Because of this, it’s impossible to say exactly how often(how many times) everyone should be working out per week total.
Answer:
19. B a force continues to be applied to the object.
20. B massive force.
21. B inertia
22. C unbalanced force.
23. C friction
24. A balanced
25. C an outside force acts on it
26. B an equal and opposite reaction
27. A No, they are traveling in different directions.
28. A No, because the direction is different
29. A force
30. D Gravity
Answer:
D.
They break down dead organisms.
Explanation:
Answer:I think it is A DNA molecule 5
sorry if I am wrong