Which of these is one of the only two mammals that lay eggs

A: duck-billed platypus

B: wombat

C: three-toed sloth

D: chicken

What were the first organisms to release oxygen into the atmosphere? plants animals anaerobic photoautotrophs cyanobacteria

Which characteristic of crude oil reflects its rate of evaporation?

There is a higher sodium concentration on the inside of the cell than there is on the outside of the cell. How will the sodium particles move and by what process? Sodium will move from the inside of the cell to the outside of the cell by osmosis.

If fire were suppressed on a temperate grassland, what species do you think would increase in number? Question 13 options: trees grasses herbs bison

The mineral most closely associated with proper immune function:

A basketball has a radius of 9 inches. What is the exact value of the volume of the ball? 64π in3 256π in3 972π in3 1024π in3

What animals lived on earth before dinosaurs?

What does the scientific method always begin with?

How do we determine if an animal is truly extinct

Warm fronts usually bring cloudy sky. A. true B. False