Structures are body parts that carry out specific functions. Plant leaves and animal mouths are comparable organs because they both help the organism in which of the following ways? Group of answer choices

Protect organism from disease

Provide support and movement

Provide protection from the environment

Obtain nutrients needed for survival

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0