How long have sharks been in the ocean?

How long have sharks been in the ocean?

Sharks have swum in the oceans for almost 450 million years. But longevity is only part of the story. That extra few million years of evolution have enabled many shark species to develop some extraordinary abilities as perfect predators.

Who does Jennifer Aniston play on friends?

Jennifer Joanna Aniston (born February 11, 1969) is an American film and television actress. She plays the role of Rachel Green on Friends, a role for which she won both an Emmy Award and a Golden Globe Award.

What year was color TV invented?

In late 1953, the FCC adopted the RCA compatible system, commonly referred to as the NTSC system. The first color television sets for this system were sold in 1954. They used a 15 inch screen. Later that year, 19 inch sets were made, and by 1955 all sets were made with a 21 inch picture tube.

What makes something acidic or basic?

When a hydrogen ion is released, the solution becomes acidic. When a hydroxide ion is released, the solution becomes basic. Those two special ions determine whether you are looking at an acid or a base. For example, vinegar is also called acetic acid.

Prior to Christianity, what did the title ‘son of god’ mean

In a Roman context, ‘son of god’ referred to the emperor of Rome. After Julius Caesar’s death he was deified by the Roman senate and was dubbed Divi Iulius or ‘the divine Julius.’ As such, his adopted successor, Octavian, upon his death and during his lifetime as emperor was called ‘Divi Filius’ or ‘son of god.’ Octavian’s adopted son Tiberius received the same honorary title. Under the Roman Empire, the emperor was literally worshiped as a god. In Jewish contexts, the ‘son of god’ refers to the king of Israel. In 2 Samuel 7:14 God relays that the new king of Israel will be his son and he will become his father.

Do you grow brain cells?

The apocryphal tale that you can’t grow new brain cells just isn’t true. Neurons continue to grow and change beyond the first years of development and well into adulthood, according to a new study.

Who composed space odyssey music?

2001: A Space Odyssey (score) For the film’s actual score, see 2001: A Space Odyssey (soundtrack). The 2001: A Space Odyssey score is an unused film score composed by Alex North for Stanley Kubrick’s 1968 film, 2001: A Space Odyssey.

What does the A stand for in am radio?

Note on the left that when the carrier wave of FM radio is modulated with sound that the distance between the waves, or the frequency of the carrier wave, changes. Thus, AM radio works by changing the amplitude of the carrier wave and FM radio works by changing the frequency of the carrier wave. Frequency Response.