Which of these Paleozoic periods is the youngest?

a. Permian

b. Devonian

c. Ordovician

d. Pennsylvanian

How can communties of organsim thrive on both active and extrict volcanoes?

In water, what happens to a base? It forms hydrogen ions (H + ). It condensates. It evaporates. It forms hydroxide ions (OH-).

A client who had a myocardial infarction is in the coronary care unit on a cardiac monitor. the nurse observes runs of ventricular tachycardia on the screen. what medication should the nurse prepare to administer?

How has the Earth's climate changed over the last 150 years? i am meaning by global warming

In the nuclei or mitocandria

what is thermometric property ... ?

When fats first reach the duodenum what their presence stimulates the release of which hormone from the intestinal mucosal cell?

Ocean-dwelling chemoheterotrophic bacteria that generate energy via aerobic respiration are dependent on the presence of photoautotrophs like cyanobacteria because:

Nucleotide are composed of phosphate group, a sugar, and a nitrogenous base. DNA is made up of long strands of nucleotide. which part if the above molecule can differ between nucleotide? A. the sugar B. the phosphate group C. the nitrogen group D.

2 atp molecules are needed to start A) the krebs cycle B) gyycolysis C) the electron transport chain D) none of the above