PLLZZ HELP How do absorption and reflection of energy affect a surface's temperature? Use observations from either the Absorption and Reflection Virtual Lab or the Heat Absorption Gizmo to support your response.

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

Select the word from the list that best fits the definition a system made of 25 satellites

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%