Question 5 of 10 What could a human living now and a horse living thousands of years ago
have in common?
A. They are made of some of the same matter.
B. They both get their energy directly from the sun.
C. They need the same amount of energy to survive.
D. They have the exact same DNA.
SUBMIT

A

Explanation:

although they may evolve, done if the matter will remain the same.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.