No! Do not eat it!
Yes?
Cooked potatoes, rice, nor spinach are hazardous foods. They are all safe for consumption.
Yes but it has to be 30 second or less
The cooked rice should not be eaten if left out overnight. Due to certain bacteria that might have grown in it, it might not be able to be cooked safe.
Geckos are carnivorous animals. Therefore, they can eat steak. It's better that they are fed uncooked steak, as long as the steak is safe to eat.
yes i do it all the time
Yes, it's safe to freeze sausage cornbread dressing, cooked or uncooked.
because bacteria can get in the rice and grow thus causing problems for people eating it
Keep in mind rice will double in size so you don't want to put more rice than will absorb / grow higher than the top of the pot / cooker. To be safe, I wouldn't use more than 1/3rd depth of your pot of rice.
I would think 7 days would be too long. I usually throw it out after 3-4.
Yes, it should be safe refrigerated for 3 to 4 days before cooking it.
Raw foods, especially raw meats, poultry and fish, can carry bacteria such as salmonella, whereas with cooked foods, the bacteria has been killed off. Combining the two, or placing cooked foods where a raw food that contained bacteria was placed, before cleaning it, can cause the bacteria to quickly spread to the cooked food.