Which terms are associated with the Cenozoic era: Homo sapiens, mammoth, dinosaur, grass?

Answers

Answer 1

Answer: Mammoths and dinosaurs lived in the Cenozoic era, and there was also grass. Your answers are Mammoth, dinosaur, grass.

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What 6 elements in the periodic table are named after real people?

Answers

curium (Cm, 96) – Pierre and Marie Curie einsteinium (Es, 99) – Albert Einsteinfermium (Fm, 100) – Enrico Fermigallium (Ga, 31) – both named after Gallia (Latin for France) and its discoverer, Lecoq de Boisbaudran (le coq, the French word for 'rooster' translates to gallus in Latin)hahnium (105) – Otto Hahn (Dubnium, named for Dubna in Russia, is the IUPAC-accepted name for element 105)lawrencium (Lr, 103) – Ernest Lawrencemeitnerium (Mt, 109) – Lise Meitnermendelevium (Md, 101) – Dmitri Mende

obelium (No, 102) – Alfred Nobelroentgenium (Rg, 111) – Wilhelm Roentgen (formerly Ununumium)rutherfordium (Rf, 104) – Ernest Rutherford seaborgium (Sg, 106) – Glenn T. Seaborg

Sam lives in the city of Springdale and is interested in how the climate in his city compares to the climate in Ecuador. Which of the following is a testable question that could help him make this comparison?Is the climate in Ecuador better than the climate in Springdale?

Do high pressure systems prefer forming in Ecuador compared to in Springdale?

Are thunderstorms in Ecuador as scary as thunderstorms in Springdale?

Are average yearly temperatures in Ecuador greater than in Springdale?

Answers

Both "Do high pressure systems prefer forming in Ecuador compared to in Springdale?" and "Are average yearly temperatures in Ecuador greater than in Springdale?" are acceptable questions. The others deal with subjectivity.

Final answer:

The only testable question from the options provided would be asking if the average yearly temperatures in Ecuador are greater than those in Springdale. This question allows for a factual comparison using data.

Explanation:

When comparing climates, we must focus on quantitative, measurable aspects. So, the testable question here most appropriate for Sam's inquiry would be: Are average yearly temperatures in Ecuador greater than in Springdale?. This question relies on measurable, empirical data related to the large scale weather patterns of two distinct geographic locations. It will allow a factual analysis of the differences in climate between Springdale and Ecuador, specifically in terms of average yearly temperatures.

Learn more about Comparing Climates:

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What is the compound of nacI is an example of a/an?

Answers

Sodium chloride is the compound of nacl.

The compound of NaCl is sodium chloride

Describe the conditions that are necessary for snow to fall

Answers

the temperature had to be cold both up in the clouds where snowflakes form and down at ground level. If air near ground level is too warm the snow will melt on way down changing to rain or freezing rain also Moisture is needed to form clouds and precipitation.

temperature has to be at least below 34° for snow to fall and it has to be a day where rain would fall

A rock at the top of a 30 meter cliff has a mass of 25 kg. Calculate the rock’s gravitational potential energy when dropped off the cliff. Assuming that energy is conserved and there is no air friction and gravity is 9.8 m/sec., at the bottom of the cliff the rock’s potential energy is completely converted to kinetic energy. Use the formula for kinetic energy to calculate the rock’s speed at the bottom of the cliff. Show all calculations.

Answers

Lets see:-

We have our formula for potential energy, which we are trying to solve for,

PE = mgh or potential energy = mass * gravity * height

So we know that PE all depends on these.

Height : 30 meters
Mass : 25 kg
Gravity (which is always constant) : 9.8 m/s/s

Now add into formula.

PE = 25*30*9.8
PE = 7350 Joules

Answer: PE = 7350 Joules

Now calculate speed:-

7,350 joules/12.5 kg = speed-squared
588 m²/s² = speed-squared
about 24.248 m/s

The reaction 4Fe + 3O2 >> 2Fe2O3 is an example of what?

Answers

Answer:

Synthesis reaction

Explanation:

A synthesis reaction involves two or more reactants combining to form a single product.

4Fe + 3O2 —> 2Fe2O3

From the above reaction, the two reactants combine to form a single product. This is clearly a synthesis reaction.

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