1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bumek [7]
2 years ago
15

Before nitrogen can be used by living organisms, it

Biology
2 answers:
Helen [10]2 years ago
7 0

Answer:

B Nitrates

Explanation:

No explanation here sorry •~•

dlinn [17]2 years ago
3 0

Answer:

nitrates

Explanation:

if u watch a video base on nitrogen cycle it will show the answer and it is nitrates

You might be interested in
Note the following descriptions:
pogonyaev

The correct option is:

B) lipid

Explanation:

A lipid is a biomolecule that is solvable in nonpolar solvents. Non-polar solvents are typically hydrocarbons used to melt another naturally happening hydrocarbon is.Any of a large group of organic mixtures that are oily to the touch and difficult in water. Lipids comprise fatty acids, oils, waxes, sterols, and triglycerides. They are a source of stored energy and are an element of cell membranes.


8 0
3 years ago
Read 2 more answers
Which of the following occurs during photosynthesis?
dusya [7]
<span>c. co2 and h2o are converted to carbohydrates

Hope this helps!
</span>
7 0
4 years ago
Can someone help me please
coldgirl [10]

Answer:

C

Explanation:

It experiences more evaporation due to the ocean being around 83 degrees farenheit

3 0
3 years ago
Read 2 more answers
Which pattern describes the levels of biodiversity across the fossil record?
Leto [7]
Biodiversity generally refers to the variety and variability of life on Earth. According to the United Nations Environment Programme(UNEP), biodiversity typically measures variation at the genetic, species, and ecosystem level.[1] Terrestrial biodiversity tends to be greater near the equator,[2] which seems to be the result of the warm climateand high primary productivity.[3] Biodiversity is not distributed evenly on Earth, and is richest in the tropics. These tropical forest ecosystems cover less than 10 percent of earth's surface, and contain about 90 percent of the world's species.[4] Marine biodiversitytends to be highest along coasts in the Western Pacific, where sea surface temperature is highest, and in the mid-latitudinal band in all oceans. There are latitudinal gradients in species diversity.[5]Biodiversity generally tends to cluster in hotspots,[6] and has been increasing through time,[7][8] but will be likely to slow in the future.[9]

Rapid environmental changes typically cause mass extinctions.[10][11][12] More than 99.9 percent of all species that ever lived on Earth, amounting to over five billion species,[13] are estimated to be extinct.lstimates on the number of Earth's current species range from 10 million to 14 million,[f which about 1.2 million have been documented and over 86 percent have not yet been described] More recently, in May 2016, scientists reported that 1 trillion species are estimated to be on Earth currently with only one-thousandth of one percent described.[18]The total amount of related DNA base pairson Earth is estimated at 5.0 x 1037 and weighs 50 billion tonnes.[19] In comparison, the total mass of the biosphere has been estimated to be as much as 4 TtC (trillion tons of carbon).[20] In July 2016, scientists reported identifying a set of 355 genes from the Last Universal Common Ancestor (LUCA) of all organisms living on Earth.[21]

The age of the Earth is about 4.54 billion years.[22][23][24] The earliest undisputed evidence of life on Earth dates at least from 3.5 billion years ago,[25][26][27] during the Eoarchean Era after a geological crust started to solidify following the earlier molten HadeanEon. There are microbial mat fossils found in 3.48 billion-year-old sandstone discovered in Western Australia.[28][29][30] Other early physical evidence of a biogenic substance is graphite in 3.7 billion-year-old meta-sedimentary rocks discovered in Western Greenland.More recently, in 2015, "remains of biotic life" were found in 4.1 billion-year-old rocks in Western Australia.[32][33] According to one of the researchers, "If life arose relatively quickly on Earth .. then it could be common in the universe.

decreased and then increased after major waves of mass extinctions
Answer is.

4 0
3 years ago
Stove:kitchen: as _____ :plant cell.
Kisachek [45]

Answer: Cloroplast

Hope this helps :))

3 0
3 years ago
Read 2 more answers
Other questions:
  • For what purpose does a cell use the energy from redox reactions in cellular respiration?
    13·2 answers
  • As of 2009, all living human beings have had their entire genome sequenced.
    6·1 answer
  • The map shows the most active earthquake areas in dark shading. Identify one geologic event, other than an earthquake, that may
    7·2 answers
  • Fossilized stromatolites
    6·1 answer
  • Why are most earthquakes at plate boundaries?
    15·1 answer
  • How many unique zygotes can a couple make?
    10·1 answer
  • Salivary amylase enzymatically breaks down glucose in the oral cavity. true or false
    9·1 answer
  • Is cellular respiration an endothermic or exothermic reaction
    7·1 answer
  • I need help with Biology. (50 points)
    7·2 answers
  • You should wash the fruits and vegetables thoroughly before eating. Why?​
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!