Une chanteuse d'opéra soprano peut atteindre la note la4 de fréquence 880 Hz, un chanteur basse peut chan-
ter la note do2 de fréquence 132 Hz.
Lequel des deux chanteurs chante la note la plus aiguë ?
Justifier votre réponse.

Gunpowder residue is most likely to show up where on a shooters hands

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?