During which era did plants first appear on an island?

a. CenozoicB. Mesozoic

c. PaleozoicD. Precambrian

How much carbon dioxide is formed from 24.8 g of carbonic acid?

To determine the pH of a solution using a pH indicator paper, you need a.

If 3.0 liters of oxygen gas react with excess carbon monoxide at STP, how many liters of carbon dioxide can be produced under the same conditions? 2CO (g) + O2 (g) yields 2CO2 (g) 1.5 L 3.0 L 4.5 L 6.0 L

Is evaporation of water a physical change or a chemical change? explain your answer?

Rudri studies for her physical science test on the history of the atomic model. She creates a table to show how the atomic model has changed over time.

Which radiation detection device is the best to use for measuring the presence of radiation in large moving objects where constant monitoring is impossible? film badge Geiger counter cloud chamber scintillation counter

Smoke fiilling up a room is diffusion or not

What is the independent and dependent variable for a dry ice experiment

a substance that undergoes a physical change like melting is still the same substance is it true or false

What is a polar molecule