2. A laboratory procedure calls for heating 50 milliliters of a sugar solution to 60°C. Which piece of laboratory equipment will not be needed
(1) protective eyewear (2) ruler (3) thermometer (4) graduated cylinder

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring