What elements are required for a fire to happen?

Keegan and Iris are learning about examining the animal's hair coat. Keegan says the hair coat should be examined for brittleness and alopecia. Iris say the hair coat should be examined for oiliness and stiffness. Who is correct? A.

How is a circle different from an ellipse

How many grams of Tin (SN) would be required to use 6.9 moles of chlorine (cl2)

A gas occupies 200 mL at - 73.0°C. To have the same gas occupy 300 mL, should the temperature be increased or decreased? What is the new temperature in Kelvins? K

The SI unit for quantity of radioactive materials is:

What substances have an arrhenius base?

Which of the following correctly states the relationship between temperature and the solubility of a substance in water? Group of answer choices The solubility of a substance in water increases as the temperature rises, especially for gases.

How many moles of water are made from complete reaction of 1.4 moles of hydrogen gas? Given the reaction: 2H2 + O2 → 2H2O

A scientific law is 1. A university accepted conclusion based on testing 2. Always changing a new evidence is presented 3. Based on new evolving theories 4. Often debated in the scientific community 5. One step toward forming a theory

12 Two molecules of HBr collide and then form H2 and Br2. During the collision, the bonds in the HBr molecules are