Answer:
All of these are natural resources.
Explanation:
Because they are not manufactured.
Answer:
hercios
Explanation:
Según el Sistema Internacional (SI), la frecuencia se mide en hercios (Hz), en honor a Heinrich Rudolf Hertz. Un hercio es la frecuencia de un suceso o fenómeno repetido por segundo. Así, un fenómeno con una frecuencia de dos hercios se repite dos veces por segundo.
The answer is D.rainforest. it is a very complex ecosystem with variety of plants and animals.
Answer:
Muscle fatigue is a common complaint in clinical practice. In humans, muscle fatigue can be defined as exercise-induced decrease in the ability to produce force.
Explanation:
