Which is larger: an astronomical unit or a light year

This question might get a little weird because its sex ed but does the amount of testosterone generated by males have to do with their height?

Bacteria live in the nodules of plant roots. Which cycle depends on the bacteria in these nodules A. Oxygen cycle B. Water cycle C. Carbon cycle D. Nitrogen cycle

Which cell structure is mainly responsible for releasing energy from food molecule in some single - cell organism

Predict what will happen to an abandoned strip mine over time.

How can researchers discover new species of bacteria without ever seeing them under a microscope

Which is the correct direction of blood flow? A. left ventricle - - > pulmonary artery - - > aorta B. left ventricle - - > left atrium - - > aorta C. right atrium - - > right ventricle - - > pulmonary artery D.

The instructions for making a virus are coded in what part of the virus

Which of these is the best example of the substance use of natural resource

How is the Periodic Table of the Elements arranged? alphabetically in a neat grid with 10 rows and 11 columns in a neat grid with 11 rows and 10 column by aligning groups with common propertie

What happens at the very end of mitosis A Cytokinesis - there are now two cells B DNA Replication C Chromosomes align