What type of experiment is based on observation?

On a map, the continents have shapes that almost fit together like pieces of a jigsaw puzzle. How does modern science explain th

goblinko [34]

We explain this puzzle-piece-like build as proof of tectonic plate shifting. As magma inside the earth moves, so do the continental plates on top of the magma. The continents used to be fused together in one larger continent called Pangea. Over the course of 1000s of years, the plates have shifted.

tldr: tectonic plate movements cause this phenomena

3 0

3 years ago

Geysers are formed when groundwater is heated by nearby magma. True Or False

vichka [17]

Answer:

true

Explanation:

Geysers result from the heating of groundwater by shallow bodies of magma. They are generally associated with areas that have seen past volcanic activity. ... As steam or gas bubbles begin to form in the conduit, hot water spills from the vent of the geyser, and the pressure is lowered on the water column below.

8 0

3 years ago

Read 2 more answers

You isolate an organism from a water sample and test it with a catalase test and grow it in thioglycollate medium. The results s

drek231 [11]

Answer: The most likely oxygen classification is OBLIGATE AEROBIC ORGANISM.

Explanation: Most medically important bacteria can be grown artificially in the laboratory provided the atmospheric conditions and temperature are correct and the culture medium used contains the required nutrients.

The thioglycollate medium is used to differentiate oxygen requirements in an isolated organisms. While catalase test is used to differentiate catalase producing from non-catalase producing organisms.

Differences in the effect of oxygen on bacterial growth provide a further way of classifying bacteria:

● OBLIGATE AEROBES, which require free oxygen to grow,

● obligate anaerobes, which are unable to grow in free oxygen,

● facultative anaerobes, which can grow in conditions in which oxygen is present or absent,

● microaerophiles which grow best in conditions of reduced oxygen concentration.

The most likely oxygen classification is OBLIGATE AEROBIC ORGANISM because from the result of the test carried out on the isolated organisms,

--> The organism is catalase positive as it was able to breakdown hydrogen peroxide to oxygen and water( bubbling after the addition of hydrogen peroxide confirmed it as positive). Catalase is an enzyme produced by all aerobic organisms.

--> while in the thioglycollate medium the organism grew at the top of the test tube in order to absorb maximal amount of oxygen.

7 0

3 years ago

I need helpppp ASAPPP

Margaret [11]

I think the answer is "It's tightly packed cells allow for protection against harmful substances."

6 0

4 years ago

Relationship involves people who don't share the same status

CaHeK987 [17]

False

Symbiotic relationship would be a mutuality of organisms where the other shares a deep physiological and psychological share of individuality.
There are several types of biotic relationships that is occurring every single moment in the ecosystem and one is parasitism. In this scenario with human beings and mosquitos, this phenomenon of interaction is distinguished as parasitism where mosquitos draws blood that contains nutrients from the human tissue to use it as its source of food and then leaves harmful substances and bacteria in the human’s blood stream.

5 0

4 years ago