Which of these are found in the excretory system? O A. Myofibrils
B. Villi
C. Nephrons
D. Osteoblasts

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world