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jekas [21]
3 years ago
6

Prior to phytoremediation the concentration of Cd in the soil was: Prior to phytoremediation the concentration of Cd in the soil

was: 19 mg/kg soil. 1,900 mg/kg soil. 12 mg/kg soil. 1,200 mg/kg soil.
Biology
1 answer:
White raven [17]3 years ago
6 0

Answer:

82.8mg/kg was observed the maximum conc.

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“blank” investigations are best for demonstrating cause-and-effect relationships. a. descriptive b.comparative c. experimental
FromTheMoon [43]

C. Experimental

Explanation - The cause and effect of a process would be studied in experimental investigations. However, in descriptive studies, relationship between the factors are not studies rather the detail of the process is studied. In comparative investigation, several factors are compared and its effects are analyzed.

In experimental investigations, experiments are carried out based on the hypothesis and then it is validated accordingly. Validation is a must to prove and disprove the hypothesis. Therefore, experimental data and hypothesis are related.

8 0
3 years ago
Over-the-counter drugs commonly abused by teens and young adults include
SashulF [63]

Answer:

B

Explanation:

Any drug sold in the supermarkets, convenient stores etc  without prescriptions are called OTC-medication or over the counter drugs.

They are the group of drugs commonly abused  by young adults. Recommendation by  National Institute  on Drug Abuse is that , any  use of drug not related to medical purpose, but for mind-altering effects or arousal is regarded as an abuse. No doubt  these drugs are obtained over the counter because they are very easy to get, very cheap and legalized  by law to buy, thus easily accessible.

They drugs are high in contents which produces psychoactive effects when imbibed in over dose, and some may have damaging effects on the kidney and liver.

Other effects on the body physiology includes headaches, vomiting, nausea, seizures, tremors. etc.

7 0
3 years ago
Read 2 more answers
Please answer fast less than 2 hours
never [62]
Taxonomy- the classification of something, especially organisms.

Classify- arrange (a group of people or things) in classes or categories according to shared qualities or characteristics.

Binomial nomenclature- the scientific way to name living things with a two part generic (genus) and specific (species) name.

Kingdom- a country, state, or territory ruled by a king or queen.

Species- a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens.

Prokaryote- a microscopic single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles, including the bacteria and cyanobacteria.

Eukaryote- an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaea.

Heterotroph- an organism deriving its nutritional requirements from complex organic substances.

Autotroph- an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

Unicellular- having or consisting of a single cell.

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Hope this helps
8 0
2 years ago
You have left your purse in a shop in a mall. Write a formal letter to the manager to inquire if it has been found. You will hav
Mrac [35]

Answer:

The manager

xyz mall

(area)

(city).

Sir,

Sub-regarding loss of purse

This is to bring to ur notice that I have lost my purse in ur mall.  I left my purse at the shop around 4:00 pm on Saturday 8th November 2020. It was purple in color with A brand logo of GUCCI on it and has a credit card, photo ID, debit card, and some cash.

Kindly look into this and please find my purse. I will be highly obliged.

Thanking you

Yours faithfully,

(ur full name)

(your address)

(your locality)

(your city).

(date).

7 0
2 years ago
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How can these forelimbs explain how life changes over time?
dmitriy555 [2]
It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.
3 0
3 years ago
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