Chemistry Middle School

HElp i will give you brainliest

HElp I Will Give You Brainliest

Answers

Answer 1

Answer: Mass

Explanation:

Answer 2

Answer: masses

Explanation:

Related Questions

PLZ HELP! WILL GIVE BRAINLIEST, 5 STARS, AND A THANKS!!
~Read the article excerpt then respond to the question below.~
"Scientists make synthetic substances by arranging atoms and molecules in the lab. They use what they know about different types of atoms and molecules to arrange them and make the kinds of substances they want.
Synthetic medicines aren’t any different at the atomic level from the natural medicines found in the rainforest. After all, molecules are just molecules—whether they’re made in nature or in a lab, the same types of atoms arranged in the same ways always form the same molecules that behave in the same ways."

At the atomic level, are synthetic medicines different from natural medicines?
Explain your thinking.

Answers

Although herbal medicines are less potent in comparison to synthetic drugs in some cases but still these are consider less toxic or having less side effect in contrast to synthetic drugs. The ultimate norm for any medicine (human made or natural) is their non-toxicity, effectiveness, specificity, stability and potency.

Although herbs medicines are less potent in comparison to synthetic drugs in some cases but still these are considered less toxic or having less side efffect in contrast to synthetic drugs. The ultimate norm for any medicine is their non toxicity effectiveness etc.

(a) What human activity is responsible for the formation of smog and acid rain? (b) What kinds of harm does photochemical smog cause? (c) Do you think that photochemical smog levels are high during the winter or during the summer? Explain.

NO FILES OR I REPORT >:-((

Answers

Answer:

Explanation:

a) Air pollution

b) It can cause climate change, respiratory problems etc

c)Winter. More energy is being used in the winter to heat  homes, offices, businesses etc.

True or False?

Density of ocean water is not affected by salinity (salt content).

Answers

Answer:

false

Explanation:

Answer: yes it its true.

Explanation:  I just see that in a exam

We can drink water straight from the ocean without purifying it.



True

False

Answers

False. The water would be toxic without purifying it before drinking.

False just common sense.

Which two minerals can be scratched by a knife but not copper coin?

Answers

calcite and fluorite <33

Every organism requires a set of instructions that specifies its traits. Which statement BEST describes the hereditary information in a cell?
pls help
A gene, but not DNA, is passed on to the next generation.

Each chromosome contains a single gene.

Genes are located on the chromosomes.

A gene, but not a chromosome, is made of DNA.

Answers

Answer:

the only option that is correct is the third

Explanation:

the second isn’t correct because they contain strands of thousands of genes. The first isn’t correct because they are both passed on. The last one isn’t correct because they are both made up of DNA

The third one is the correct answer

What is the SI unit for weight? NO LINKS I will give brainliest
(and no its not kg)

Answers

Answer:

I think it is Newtons.

It’s Newtons or kilograms

your alien friend from planet xenon is visiting and wants to learn how to breed pea plants you show your friend a recent batch of pea plants with purple flowers that you grew by crossing plants that had purple flowers with plants that had white flowers your friend is confused as to why your plants all have purple flowers how would you explain in the simplest way possible what happened

Answers

Answer:

The purple flowers were probably was dominate allel and the white flowers were recessive.

Explanation:

The Koppen Classification System splits the world into 5 climate zones.

What was used to determine these 5 different zones?

There are 3 correct answers.

Vegetation

Temperature

Animal life

Precipitation

Water Quality

Answers

Answer:

animal life

temperature

vegetation

Explanation:

I believe this is right

Animal life, vegetation, and temperature?
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