The renewable energy source is Hydroelectricity.
George is lifting weights. He starts by doing biceps curls
which involves flexing his
elbows. His elbow is able to bend
because the humero-ulnar joint is a hinge
joint. Sam is doing leg presses, extending his knees as he pushes
against the weights. Meanwhile, Jane is doing "lat pulls" by pulling
downward on a weighted bar. This movement involves adduction of her arms.
Her shoulder joint is a ball-and-socket joint, allowing
a wide range of movements.
The correct answer for the given statement above would be option B. A pine tree is a gymnosperm. A gymnosperm is a kind of plant that has its seeds enclosed by a fruit or ovary. This kind of plant does not have bright flowers or seeds that are protected in a fruit.
