The frequency f of a wave is defined as the inverse of the period T:

The clock in the problem has a waveform with period

. Therefore, its frequency is
Answer:b,c,d I think
Explanation:
B because it moves sediment, or sand, to the ocean, c because it pollutes the ocean with plastic and stuff, and d because the bacteria can be harmful
The required answer is 66.925 m which is the distance travelled by the car.
Protein has 4 cals carbs have 4 too. Fat however has 9.
Answer:
Each layer has its own properties, composition, and characteristics that affects many of the key processes of our planet. They are, in order from the exterior to the interior – the crust, the mantle, the outer core, and the inner core.
Explanation: