choose the correct verbs from the box to fill in the blanks
brounces brounce measure measures reflect reflects send sends use uses 1 you cannot see acoustical waves ___ off an object 2 metal ___ signals that are stronger than those of softer objects 3 a whale ___ echolocation 4 one thool that brounces dolphin echolocation is the biosonar measurement tool or BTM 5 an animal using echolocation___ out a hight-pitched 6 sound send out by a whale___off an object and returns to the whale 7 horseshoe bats ___pulses of sound trough 8 different objects ____sound waves in different ways 9 there are sonar devices that___ the time it takes for the sound pulses to reflect back to the ship 10 why do you suppose some bats___ echolocation por fa ayúdenme, doy coronita
