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Mariana [72]
3 years ago
6

Which of the following is a physical change? A newspaper burns when placed in a fire. An iron chair rusts when left outside. A s

ample of water boils and releases gas. A plant changes carbon dioxide and water into sugar. Question 3(Multiple Choice Worth 2 points) Which of these statements best describes the relationship between elements, compounds, and pure substances? Pure substances can be divided into two groups: elements and compounds. Compounds can be divided into two groups: pure substances and elements. Elements and pure substances are two of many different types of compounds. Pure substances and compounds are two of many different types of elements.
Biology
2 answers:
kvasek [131]3 years ago
8 0

The answer is: Pure substances can be divided into two groups: elements and compounds.(For 2nd question)

allsm [11]3 years ago
7 0
A because a physical change , changes the appearance. the multiple choice question is A. 
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julsineya [31]

In Bryophytes, the sporophyte is dependent on the larger gametophyte, whereas, in Angiosperm and Gymnosperms, the gametophyte generation is dependent on the larger sporophyte generation.

<h3>Difference between gametophyte and sporophyte.</h3>
  • The gametophyte is the haploid(n) state in the life cycle whereas the sporophyte is the diploid(2n) state in the life cycle.
  • Gametophyte leads to gamete formation whereas sporophyte leads to the formation of spores.
  • Spore formation takes place post meiosis whereas gamete formation either occurs directly or through mitosis.
  • The meiospore grows to develop into the gametophyte. The zygote grows to produce sporophytes
  • The cells in sporophytes have two genomes or possess two sets of chromosomes. The cells of the gametophyte have a single genome or produce one set of chromosomes.

To learn more about Gametophytes and sporophytes,

brainly.com/question/3853358

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Vladimir [108]
The answer is
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In the study of genetics the offspring of the p generation is referred to as the
Vera_Pavlovna [14]

Answer:

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In the study of genetics the offspring of the P generation is referred to as the F1 generation.

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Agarwood is the valuable hardwood that is rapidly being cut in the tropical rain forests of malaysia, the philipines, indonesia and indochina. A tropical forest is a tropic ecosystem usually found around the equator. They are common in Asia, Australia, Africa, South America, Central America, Southern Mexico an don many of the Pacific Islands. 
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