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lora16 [44]
3 years ago
12

Climate change can alter where species live, how they interact, and the timing of biological events, which could fundamentally t

ransform current ecosystems and food webs. Evaluate each of the changes that can occur within an ecosystem . Select ALL of the changes that could be caused by rising temperatures.
Biology
1 answer:
nadya68 [22]3 years ago
8 0

Answer:Answer is A) B) C) D)

Explanation:

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​A carbon atom has 6 protons and 6 electrons. Carbon has three naturally occurring isotopes, carbon-12, carbon-13, and carbon-14
Ede4ka [16]

Answer:

The correct option is B

Explanation:

Isotopes of the same element have the same atomic number (number of protons) but different mass number. Hence, <u>all the three naturally occurring carbon isotopes mentioned in the question have 6 protons each. Since the number of protons in a neutral atom is equal to the number of electrons in the same atom, each of these isotopes also have 6 electrons</u>.

However, to determine the number of neutrons in each atom, the number of protons (atomic number) is subtracted from the mass number.

Hence, the number of neutrons in carbon-12 is 12 - 6 = 6

the number of neutrons in carbon-13 is 13 - 6 = 7

the number of neutrons in carbon-14 is 14 - 6 = 8

From the explanation above, <u>it can be noted that the number of protons and electrons in isotopes of the same element are the same while the number of neutrons in these isotopes are different</u>. Hence, the correct option is B

8 0
3 years ago
Factors in a forest ecosystem biotic and abiotic
Nataly [62]
Biotic: Trees. Mosses. Fungi. Mammals. Birds. Reptiles. Insects. Worms. 
Abiotic: Rocks. Water. Sunlight. Soil. Minerals. Temperature. 
7 0
3 years ago
Arrange the events in the correct order to describe how the magnetic field forms around Earth.
horsena [70]
The correct sequence of events is : C,D,B,A.
Iron rich magma in the earth's core heats up because of radiation and the pressure exerted by the other layers of the earth. This heat in the crust trigger convection currents in the mantle. The magma closest to the core will be hotter and therefore less dense than other layers. Being less dense the layer will rise towards the crust, eventually becoming cooler and sinking back down in a circular motion.
The continued circular motion creates electric currents which then generates the magnetic field.
6 0
4 years ago
Transgenic cells are used to make ___ for treating cancer, heart disease, and many other diseases and disorders.
erik [133]
I think the answer is: A. plasmids
3 0
3 years ago
Iguanas similar animals are members of a group called reptiles.How do reptiles differ from other animals?
tangare [24]
The correct answer is D. Have scaly skin hardened by keratin

Good luck with your studies, hope this helps~ 
5 0
3 years ago
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