An crocodile lays sticks on its snout to lure in birds to eat. What kind of adaptation is this? Question A Structural adaptation Question B Genius adaptation Question C Behavioral adaptation Question D Sneaky adaptation

All of the following are abiotic factors in an ecosystem except nutrients sunlight rain bacteria

A balloon holds a certain volume of air. In what three ways can the volume of the balloon be increased?

Which may change when the manipulated variable changes? independent variable controlled variable responding variable operational variable

Both black and white road surfaces absorb sunlight. the warmer road surface at the end of a sunny day is the

The elements least likely to form bonds are found in group

Sound waves travel fastest through? A.) Air B.) Steel C.) Water D.) Vacuum

Which of the following combinations will result in a reaction that is never spontaneous? 1) positive enthalpy change and positive entropy change 2) positive enthalpy change and negative entropy change 3) negative enthalpy change and positive entropy

Which of the formed elements is present in the greatest concentration?

A compound has a percent composition of 24.74% potassium (molar mass = 39.10 g/mol), 34.76% manganese (molar mass = 54.94 g/mol), and 40.50% oxygen (molar mass = 16.00 g/mol).

What would be the saturation concentration (mole/L) of oxygen (O2) in a river in winter when the air temperature is 0°C if the Henry's law constant at this temperature is 2.28 * 10-3 mole/L-atm? What would the answer be in units of mg/L?