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Is changing the size and shape of pieces of wood a chemical change true or false?
False. Changing the size and shape of pieces of wood is a physical change, not a chemical change. A chemical change involves the alteration of the chemical composition of a substance, while a physical change only affects the physical properties of a substance.
In examples of chemical changes the odor of sour milk indicates a chemical change has taken place true or false?
True. The souring of milk is a chemical change caused by the breakdown of lactose sugars into lactic acid by bacteria. The change in odor is a result of this chemical reaction.
True or false the temperature of a substance changes during a change in state?
False. The temperature of a substance remains constant during a change in state until all of the substance has completed the phase change.
When water changes to steam it undergoes a chemical change true or false?
False. When water changes to steam, it undergoes a physical change, not a chemical change. Heating water to its boiling point causes it to change from a liquid to a gas, but the chemical composition of water (H2O) remains the same.
Is it true or false for A Change In State Is A Physical Change?
True. A change in state, such as from solid to liquid or gas, is a physical change because the substance's chemical composition remains the same and only its physical properties, like shape or state, change.
When the page is taller than it is wide its orientation is landscape true or false?
False. When a page is taller than it is wide, its orientation is portrait, not landscape. Portrait orientation is where the height is greater than the width, while landscape orientation is where the width is greater than the height.
TRUE or FALSE are humans multicellular organisms?
false
Are the default slide layouts are set up in a portait orientation?
False. They are in Landscape orientation by default.
Do ecosystems only change when humans disturb them?
False Ecosystems change contiuously since the dawn of time. But man has not changed the ecosystem, he has damaged it. Big Diference
IS IT TRUE OR FALSE The default slide layouts are set up in portrait orientation.?
False. They are in Landscape orientation by default.
True or False - The Alps dominate the landscape of Austria and Switzerland?
True
Are humans believed to have dreams?
false
True or false a landscape picture always needs a sunset in the corner?
yes
True or False Mad cows disease or BSE is caused by a virus?
FALSE. BSE is caused by a PRION or misfolded protein, NOT a virus.
Is hemophilia caused by a dominant allele on the x chromosome true or false?
false
True or False - Global warming is caused only by natural factors?
False. Global warming is primarily caused by human activities, such as burning fossil fuels and deforestation, which release greenhouse gases into the atmosphere and trap heat. Natural factors can also contribute to climate change, but the current warming trend is largely driven by human activities.
These statements about bacteria and humans is false?
Humans should try to be bacteria free.
