What's makes up chromatin

Which greenhouse gas is emitted when people burn fossil fuels for energy?

In group 13, the only metalloid, boron, is at the very top of the group. Explain why the rest of the group has metallic behavior but boron does not.

Which of the following is not stage in the development of a thunderstorm

Why is water necessary for living organisms? All organisms need water to stay clean. All organisms need water as an energy source. All organisms need water to transport chemicals into their cells. All organisms live in the water.

How does wataer cause weathering of a brick

Why is the hybridization of [Cr (H2O) 6]3 + d2sp3 and not sp3d2?

What kind of information can we gain by calculating H

How many moles of oxygen (O2) are present in 33.6 L of the gas at 1 atm and 0°C? A: 1.5 B: 2 C: 22.4 D: 32

A mixture of gases at a total pressure of 95 kPa contains nitrogen, carbon dioxide and oxygen. The partial pressure of carbon dioxde is 24 kPa and the partial pressure of the nitrogen is 48 kPa.

The colour change of methyl orange with neutral substance