I NEED HELP WITH THIS PLEASE ITS DUE IN LESS THAN 10 MINS Fill in the blanks using these words:

EARDRUMS    WAVE     SOLIDS      AMPLITUDE     LIQUIDS       HIGH      LOUD      ULTRASOUND       330     FREQUENCY     VACUUM      LESS
HIGH

a) The propagation of sound can be described in terms of motion of a

b) Sound cannot travel through a

c) Sound can travel through gases, and

d) A high of vibration makes a pitched sound

e) A large of vibration makes a sound
f)  Sound travels quickly than light.

g) The speed of sound in air is about m/s.

h) We hear sound when a sound wave causes our to vibrate.

i) Some sounds have too a frequency to hear.

These are called

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answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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: d

-charlie

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: d

the backbone of the dna and rna compound is sugar phosphate.

water is a polar molecule. a chemical bond is a force of attraction between atoms or ions. bonds form when atoms share or transfer valence electrons. atoms form chemical bonds to achieve a full outer energy level, which is the most stable arrangement of electrons. so, false

explanation:

in h2o molecule, two water molecules are bonded by a hydrogen bond but the bond between two h - o bonds within a water molecule are covalent. the greater the electronegativity difference, the more ionic the bond is. bonds that are partly ionic are called polar covalent bonds. nonpolar covalent bonds, with equal sharing of the bond electrons, arise when the electronegativities of the two atoms are equal.

layer 3 is younger than layer 6.