No, not every scientific method begin with an observation. on basis of what we want, steps for scientific method changes.
And in scientific method before observation, first we predict (what will happen in the experiment). after prediction we observe. Prediction is known as hypothesis. And observation is what we are viewing.
TRUE
These are commonly called as the joints in the body. They all have those features such;
articular capsule- a double layer of capsule that makes up the synovial joint,
joint cavity - this is a cavity that contains articular cartilage about 3 ml of synovial fluid.
synovial fluid= these acts as lubrincants and shock absorber
ligaments- reinforced the joints and it connects bone
<span>Potential energy formally called the energy of "Heights"
Hope this helps!
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The answer is; C
Testosterone is regarded as the male hormone and responsible for male attributes such as high muscle and bone mass. It is produced by the Leydig cells of the testes This hormone is responsible for the formation of sperm in the male gonads. Therefore the hormone ensures male fertility.