Columbus and other Europeans of his time believed that the Earth was
roughly 50 percent smaller than it really is.
roughly 50 percent larger than it really is.
about the same size as it really is.
just slightly smaller than it really is.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

correct answer: false

while planning water activities, it is very important to consider the weather, because if we do not plan and are going for a surf, then it might be that the hurricane came and drown us or may carry us to long distance from where we can not come back. there are many reasons to take information about the weather when we are planning any water activities.

hence, the correct answer would be false.