Which animal is one of only two mammals that lay eggs?

three-toed sloth

duck-billed platypus

wombat

chicken

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Question 3(multiple choice worth 4 points) (02.04 lc) which best describes the function of chloroplast? allows certa molecules to enter and exit the cell makes food during photosynthesis detoxifies waste products o packages proteins into vesicles

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe