D) The Earth was hit by a one or more objects from space 65 million years ago. The iridium layer shows an extraterrestrial cause for the extinction at the Cretaceous Tertiary boundary, discovered by the Alvarez family. The first discovery of this layer was in the Bavarian alps, in Lattengebirge. The Alverez family proposed that the extinction of the dinosaurs was due to a large meteor hitting the Earth at the end of the Cretaceous period, marking the KT boundary with this clay layer which has a high content of iridium. Iridium is not common on Earth, but is common in meteors.
The answer is 114 compressions per minute. Chest compression is a technique used during cardiopulmonary resuscitation or for the treatment of choking.The latest CPR procedure does not allow or make use of mouth to mouth breathing as part of the protocol for an 8 year old and adults. The emphasis now being on continuously doing he chest compressions
When restraining a horse for a routine veterinary procedure, it's appropriate for the veterinary assistant to Hold the horse's lead rope.
Holding the horse's lead rope is necessary, when restraining a horse for a routine veterinary procedure by the veterinary assistant.
Always hold the lead rope in the right hand by coiling the excess rope on the hand in the other hand.
Lead the left shoulder of the horse with the assistant's right hand with the excess of rope in the left hand of the assistant to avoid serious injury when the horse decides to bolt.
It becomes important to stable the horse by calming the horse before the routine veterinary procedure.
A leather band should be used in the rope by being tightened behind the legs of the front and by further fastening.
Remember not to harm the back of the horse by excessive fastening.
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A: between the hydrogen atom of one water molecule and the oxygen atom of another
The Cell<span> membrane </span>surrounds<span> all living </span>cells<span> and is the most important organelle, there is also a similar plasma membrane that </span>surrounds<span> all the organelles except for the ribosome. It is composed of phospholipids, proteins, and carbohydrates, which are arranged in a fluid mosaic structure.</span>