Answer the question below:   Ian sees an object with few colliding particles, and he compares it to another object with few colliding particles. Which is true about the objects the object with many colliding particles has a lower concentration of particles or the object with many colliding particles has a higher concentration of particles?    Assuming that:  At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
the object with many colliding particles has a lower concentration of particles

Answer the question below:   Terry had a glass lens that he made less curved over time. The lens now reflects more or less light?    Assuming that:  The more curved the surface of a lens is, the more it refracts the light that passes through it.
less

Q: Answer the question below:   Scuffy was a puppy, and now he is a sick dog. Now that Scruffy is smaller, shorter, and balder than before, Scrufffy can take care of himself better or worse?    Assuming that:  As animals grow their bones get longer and bigger, they grow more hair, and are able to take care of themselves by getting food, shelter, and water.
A: worse

Question: Answer the question below:   Allen is riding his bike on a path. The course ends up 1000 feet lower above sea level compared to the beginning. At which point is the air resistance lower at the beginning or at the end?    Assuming that:  At higher elevations, there is less air to press on a given area.
Answer: at the beginning

*Question*
Answer the question below:   When there is more fluid in a tube the pressure in the tube increases or decreases?    Assuming that:  If blood volume in the body decreases, blood pressure decreases.
**Answer**
increases

Q: Answer the question below:   You can find tables that show the pH value of different fruits and vegetables. The fruits such as apples are barely acidic so they have a pH value that is higher or lower?    Assuming that:  Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.
A: higher