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olga2289 [7]
3 years ago
10

Before using any chemical in the lab, why should one first read the Material Safety Data Sheet (MSDS)?

Biology
1 answer:
STatiana [176]3 years ago
8 0
So you know what to do and to keep yourself and others protected.
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Can someone help me please !!
IrinaK [193]

Answer:

yeah OK I will be there

3 0
3 years ago
1. _______________________ is a process of gaining and testing knowledge & must be proven through experimentation. 2._______
maks197457 [2]

Answer:

  1. Science
  2. pseudoscience

Explanation:

Science is the study of nature and behavior of everything around us. It is the knowledge on the physical or material world obtained through observation and experimentation.

Pseudoscience incorporates convictions, speculations, or practices that have been or are viewed as logical, however have no premise in scientific fact. This could mean they were invalidated experimentally, can't be tried logically, or need proof to help them. The term commonly has a negative implication. At the point when utilized, somebody's intimating the theme did not depend on logical discoveries and is, in this manner, ailing in truth.

5 0
3 years ago
How do plankton differ from nekton?
Misha Larkins [42]
Plankton and Nektons are different. Plankton are small organisms that float in the sea or in the freshwater. Example of planktons are diatoms and dinoflagellates. While Nektons are animals that are able to swim in water. Example of Nektons are turtles, sharks and shrimps.
6 0
3 years ago
Which of these activities is least disruptive to natural ecosystem?
lara31 [8.8K]
I believe it is C, as this would logically the least harmful to an ecosystem.
3 0
3 years ago
With respect to normal base pairing, when a molecule of DNA replicates, thymine will most likely pair with 2 points
Alinara [238K]

Answer: Adenine

Explanation:

The structure of the DNA double helix is complex in nature. There are two strands of DNA that are wound around each other. The nitrogenous bases are bonded with hydrogen bonding and base complementarity. According to the Chargaff's rule of base complementarity adenine always pairs with the thymine and guanine with cytosine. These nitrogenous bases are paired on the basis of hydrogen bonding. Adenine bonded with thymine through two hydrogen bonds whereas the cytosine pairs with guanine via three hydrogen bonds. During DNA denaturation these hydrogen bonds are broken whereas during DNA replication these hydrogen bonds are formed between the nitrogenous bases.

6 0
2 years ago
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