Answer:
D
Explanation:
the most common thing insects do with their antenna is smell
Answer: The molecule itself is the actual thing present.
while the diagram explains what makes up a molecule or what it looks like structurally
Explanation:
Answer:
The correct answer is 8 g.
Explanation:
During a physical change, the identity of the substance <u>does not change, because no chemical reaction occurs</u>. So, after the change, the amount of substance is still the same. Examples of physical changes are changes in the state of matter (solid-liquid-gas). If 8 grams of ice (water in the solid-state) are melted, after the melting process we will have 8 grams of water in the liquid-state, but still 8 grams of water.
Answer:
C) esophagus - moves air from the nose into the lungs
Explanation:
The oesophagus is a muscular tube with a sphincter valve at each end. Its main function is to transport food and fluid, after being swallowed, from the mouth to the stomach.This is propelled from the pharynx into the oesophagus, and towards the stomach in a peristaltic waves. The peristalsis also pushes food along the alimentary canal
Due to the water's polar property, water molecules attract one another<span>. The hydrogen ends, which are positive in comparison to the negative ends of the oxygen cause </span>water<span> to be compressed together. </span><span>In general, </span>surface tension<span> decreases when temperature </span>increases<span> because cohesive forces decrease with an </span>increase<span> of molecular thermal activity. The influence of the surrounding environment is due to the adhesive action liquid molecules have at the interface.</span>
