In this forest, trees block much of the sunlight from reaching the ground. the branches of trees grow up and out to reach as much sunlight as they can. which challenge of life does this example represent?

Freezing 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.

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?