Which technological tool uses a sound echo to measure distance?

A. sonar

B. submarine

C. ocean buoy

D. robotic probe

un estudiante examino un parche de barro y registro varías declaraciones sobre huellas en el barro que afirmación es mas probable una inferencia

What kind of bonding occurs between carbon atoms, allowing carbon to form stable molecules? Single, double, and triple covalent bonds Single, double, and triple ionic bonds Single, double, and triple hydrogen bonds Single, double, and triple

What object in our solar system has the greatest gravitational pull, and why?

What does a scientist do if a hypothesis is supported

Differentiation continues to divide to produce more and more cells without limits.

Do all organism in the same ecosystem have the same carrying capacity

The locomotive behavior of earthworms is enabled by contraction of their longitudinal and circular muscles; this is seen through their typical burrowing behavior.

When the wind blows, this spins.

Which class of biomolecule do the molecules in the table belong to? A. proteins B. carbohydrates C. nucleic acids D. lipids

If the dna double helix in humans contains 20% cytosine, what is the percent of guanine, adenine, and thymine?