Shapley found the distance to the center of the galaxy by studying the distance to open clusters.
a. True
b. False
Indicate whether the statement is true or false
Question 2
A ZAMS star evolves __________ and to the __________ on the H-R diagram because ________________.
a. downward, left, the core expands which causes the outer layers to expand b. upward, right, the core contracts which causes the outer layers to expand
c. upward, left, the core expands which causes the outer layers to contract d. downward, right, the core contracts which causes the outer layers to contract
The roles of transpiration, cohesion, adhesion, and tension in long-distance water transport.
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
To keep the foot under the center of gravity, the biped’s femur is angled from hip to knee. The quad
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Major Types of Hydrogen Bonds Found in Biomolecular Interactions
Open-Faced Sandwiches