Which was not an adaptation that enabled amphibians to live on land? A- Ability to breathe oxygen
B- ability to lay eggs
C- Strong Limbs
D- Thick skin
No links or files 8th Grade

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places