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alex41 [277]
3 years ago
13

Define acidity. How is it measured?

Biology
1 answer:
Aleksandr [31]3 years ago
4 0

Answer:

its the level of acid in substances

you put the amount of a item into a cup and add water.

Explanation:

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If you help me ill mark you brainliest​
Ymorist [56]

I had to take a screenshot of my response since it was getting flagged for being inappropriate for some reason.

7 0
3 years ago
On which of the following surfaces of permanent teeth is pit and fissure caries MOST likely to occur? A. Facial surfaces of maxi
aksik [14]

Answer:

B

Explanation:

A pit is a tiny depression which is found on the surface of the tooth.

Fissures are the grooves that occur naturally on the biting surfaces of teeth.

Thus, pits and fissures are located on the lingual surfaces of the maximillary first molars because of the lingual fissures on the max molars.

4 0
3 years ago
According to the food chain below, which of these organisms most likely contains the least concentration of toxins (DDT) ?
agasfer [191]

Answer:

Hawk

Explanation:

Dichlorodiphenyltrichloroethan which is also known as DDT is a colorless, tasteless and almost odorless crystalline chemical compound. It was originally developed as an insecticide and it causes harm to wildlife animals.

When the chemical are sprayed or gets in contact with the soil it is the terrestrial organisms such as plants and primary consumers who gets affected the most due to direct contact with the chemical.

Animals such as hawks who are arboreal and tertiary consumers from the list of options don’t get affected directly from the source of the DDT contamination which makes them least affected.

5 0
2 years ago
Please help me on this part the TRUE or FALSE one please!!!
sashaice [31]

Answer:

11. TRUE

12. TRUE

13. FALSE

14. TRUE

15. FALSE

16. TRUE

17. TRUE

18. TRUE

19. TRUE

20. FALSE

Explanation:

Animals can actually reproduce sexually and asexually. Animals that reproduce asexually do that through fission, fragmentation, budding, etc.

Some of the animals that reproduce asexually include planarians, sea stars, annelid worms, etc.

In the fertilization process, the male sperm cell and the female egg cell come together.

Sexual reproduction involve the fertilization of egg by the sperm. In asexual, there is no fertilization. Ferns are spore-bearing plants. They reproduce via spores but their spores are not actually blackish.

3 0
2 years ago
Como se liberan a la atmosfera, los hidrocarburos procedentes de la quema de combustibles fósiles generan ozono troposferico. Po
Hitman42 [59]

Answer:

error

Explanation:

6 0
3 years ago
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