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Pavlova-9 [17]
3 years ago
10

Do you guys check the answers? some of the answers are wrong and made me fail my test!

Biology
2 answers:
rjkz [21]3 years ago
5 0

Answer:

some people don't check their answers and just type anything, but i try to make sure my answers are correct

Explanation:

Oksana_A [137]3 years ago
3 0
Yes and to make sure just check the comments
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Similarities between water borne diseases and water washed diseases
kaheart [24]

Answer:

Explanation:

Water washed disease are diseased that occur due to lack of water for proper personal use.

Often common in areas with predominantly poor people.

Water borne diseases are disease that are are transmitted by pathogens and micro organisms in water. Bacteria and protozoan are major carriers of water borne disease. When exposes to contaminated water one could get the disease from there.

Both water borne and water washed diseased are characterized by pathogens and micro organism.

They both result in serious medical condition that requires treatment via drug administration.

Lack of proper hygiene can result in both water washed and water borne disease.

7 0
2 years ago
HELP! Which characteristic of life is demonstrated when eagles use their sharp talons to get fish out of the water.
Anika [276]
The answer is D. Instinct

Eagles evolved better over the years to hunt their targets easier, which explains why they have sharp talons, they instinctively use them to hunt their prey.
3 0
2 years ago
Read 2 more answers
Pls help me with this question its science?​
algol [13]
Jack. A signpost is a non-living thing and non living things do not grow. Sam is an adult and he has stopped growing already. Jack is a child and will continue growing the next few years.
6 0
2 years ago
Maintaining the integrity of the stock reagents is a constant concern in the lab environment. Read the situations and decide if
Anarel [89]

Answer:

Question is incomplete i have added full question at the end of this answer because im not able to add it in ask for detail section.

Answer:

1. Contaminate (Because NaOH is a base while H2SO4 is an acid. If student mix both this will result in chemical reaction.)

2. Contaminate (Because returning regents  are used already id used regents put back in the bottle it will contaminate the fresh reagents.)

3. Contaminate (Using same spatula without sanitation results in mixing of one reagent into other regents which results in failure of experiments.)

4. Does Not Contaminate (It does not have any effect on the reagent because solid reagents are weighted that can be cleaned off when poured into reaction flask.)

5. Does Not Contaminate (Because washing flask after each experiment will wash off the left reagents present in flask.)

6. Contaminate (This will result in contamination because potassium iodide (KI) solution will be mixed with waste)

FULL QUESTION

Maintaining the integrity of the stock reagents is a constant concern in the lab environment. Read the following situations and decide if each represents a valid contamination concern.

1. A student uses a pipet designated for the NaOH solution to pipet the H2SO4 solution.

2. Several students have left-over reagents after the completion of an experiment and decide to return the excess reagents to their original containers.

3. Only one spatula is available to measure out several different white powders.

4.Rather than wasting multiple weigh boats, a student decides to wash and dry a single weigh boat in-between uses.

5. A group of students must use the same 500 mL volumetric flask to make solutions. Between each use they wash and dry the flask.

6. At the end of the day, the waste bottle is so full that a student decides to dump his waste into an almost empty bottle of stock KI solution.

3 0
3 years ago
The carbon dioxide and water that are produced during plant respiration ?
sladkih [1.3K]

Answer:

are stored in the plant for future respiration

Explanation:

8 0
3 years ago
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