3. Which BEST compares compounds and mixtures? A Compounds and mixtures contain a variety of elements, but the elements in a mixture do not retain their original characteristics when combined.

 B Compounds and mixtures contain a variety of elements, but the elements in a mixture are able to last longer because they are chemically combined.

 C Mixtures can be made up of elements and compounds that lack definite proportions, but a compound is composed of elements that are present in definite proportions.

Answers

Answer 1

Answer:

Answer:

The statement that BEST compares compounds and mixtures is option C:

Explanation:

"C Mixtures can be made up of elements and compounds that lack definite proportions, but a compound is composed of elements that are present in definite proportions."

Answer 2

Answer:

Answer:

 A Compounds and mixtures contain a variety of elements, but the elements in a mixture do not retain their original characteristics when combined.

Explanation:

As Compounds consist of two or more atoms that can be broken down into simple elements.

A Mixture contains two or more atoms that can be mixed together. Those atoms are not chemically combined.

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1) What do you notice about where the herbivores are in a food chain?2) What do you notice about where carnivores are in a food chain?

3)What do you notice about where the producers are in a food chain? What role do they play in the ecosystem?

_ clove__ → energy flow __ rabbit __ → energy flow __ fox,___ → energy flow __cougar,___

ANSWER ALL THE QUESTIONS PLZ AND PUT 1 FOR QUESTION 1 2 FOR QUESTION 2 etc.

Answers

1) Herbivores are always closer to the bottom of the food chain right after producers.

2) Carnivores are always closer to the top of the food chain right after the herbivores.

3) Producers are always at the bottom of the food chain right after the sun.

herbivores are always after producers

Pls help it’s due Friday

Answers

1.)Changes in behavior may include mild memory loss, mood swings, or intense emotional outbursts. Tumor location, medications (such as chemotherapy and steroids), and stressful life situations can influence behavior.

2.)General signs and symptoms caused by brain tumors may include: New onset or change in pattern of headaches. Headaches that gradually become more frequent and more severe. Unexplained nausea or vomiting

3.)Blood tests can also give your doctor an idea of how well your organs are functioning and if they've been affected by cancer. Examples of blood tests used to diagnose cancer include: Complete blood count (CBC). This common blood test measures the amount of various types of blood cells in a sample of your blood.

hope this helps :) sorry if it doesn't

Who was the Amelia Earhart?

Answers

She was the first female to fly a plane

amelia mary earhart was an american aviation pioneer and author. she was the first female to fly solo across Atlantic ocean. she won an award for her action

the functioning of DNA and RNA are affected by various enzymes. Sometimes, environmental factors can influence how these enzymes work. Which of these are factors that can change enzyme functionality?

Answers

Answer:

Concentration, location, pH and temperature

Explanation:

The concentration of an enzyme can be hugely important for its functionality, with increasing concentration, the enzyme can increase the reaction rate. This means that if the concentration of an enzyme is low, it might not be able to perform its functions optimally as the amount of substrate could be too high relative to the amount of enzyme.

The location of an enzyme is hugely important. It has to be in the correct area of the cell in order to contact its substrate. In this case, the substrates are DNA/RNA, so location on the molecule is important. For example, RNA polymerase is needed to transcribe RNA from DNA, but it should be at the correct location (at the correct gene) in order to perform its function.

Temperature and pH are important environmental conditions that contribute to enzyme function. Enzymes will have a range of temperatures and pH for which it is functional, and within that, a more specific optimal temperature and pH at which it performs its best. Outside this range, the enzyme will not perform its function properly. At very high temperatures and at very low/high pH, the enzyme could even become denatured and destroyed.

Answer:
Its just Concentration, pH, and temperature

Explanation:

I got this question on discovery education and these are the exact answers! :)

What behavioral adaptations help snakes survive in hot dry places

Answers

Snakes have several behavioural adaptations that help them to survive in hot and dry places. One behaviour that a snake does is to make their head appear larger by spreading it apart. They will also roll over on their back to appear to have a seizure/convulsion to scare away predators. To survive in hot/dry places such as the desert, a snake will use thermoregulation. They do this by laying in the sun at optimal times such as late afternoon, midday, and sometimes early morning. This helps them to avoid the extreme temps. Many snakes can also make themselves blend into the environment around them and look like the surrounding landscape. Snakes have also evolved so that they won't need much hydration in the desert. They will get the water they need from the prey they eat.

As an object travels around the sun or other large object, it travels on a fixed path that iscalled its

A. period
B. orbit

C. perigee

D. revolution

Answers

Answer:

B. orbit

Explanation:

As an object travels around the sun or other large object, it travels on a fixed path that is called its orbit.

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Which of the following is not an example of predation?

Which of the following is most likely to cause increases in a predator population?A. Fewer PreyB. A reduction in competition C. More parasitesD. A period of droughtThe medulla, part of the brain stem, reacts quickly to increased levels of CO2 in the blood and stimulates a response from the ---A. Excretory systemB. Immune systemC. Respiratory system

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What is niche diversity?