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never [62]
3 years ago
12

TRUE or FALSE: The seasons are caused by the tilt of the Earth’s axis. A. FALSE B. TRUE

Biology
2 answers:
jeyben [28]3 years ago
7 0
The correct answer is B. True
The tilt of the earths axis causes changes such as different seasons.
Drupady [299]3 years ago
3 0
The answer is true [axix,phases,andtiltation]
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What soil composition would be best for availability of nutrients, water, and root development? A. equal amounts of sand, clay,
Travka [436]

Soil composition would be best for availability of nutrients, water, and root development higher proportion of humus; lower amounts of clay and sand

Compared to the lower soil layers, the topsoil or surface soil often includes more organic matter and air but less clay. The topsoil typically has the highest concentration of plant roots and is more fertile than the other layers.

  • Nutrient management includes managing the composition of the soil. Minerals, organic material, water, and air are the fundamental elements of soil. Typically, 45% of the soil is made up of minerals. 5% organic material 20–30% water and 20–30% air are used. At best, these percentages are merely generalizations.
  • Numerous nutrients are found in soil, which are obtained from dead plants and animals. The plants eat these nutrients as nourishment. So soil contributes to the growth of plants by giving them sustenance in the form of nutrients.

To learn more about Soil composition it visit : brainly.com/question/15015701

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3 0
1 year ago
Describe the steps in which a gene in passed from parent to offspring. Make sure to describe how the gene is duplicated, separat
Margarita [4]

Answer:

Mitosis occurs in somatic cells; this means that it takes place in all types of cells that are not involved in the production of gametes. Prior to each mitotic division, a copy of every chromosome is created; thus, following division, a complete set of chromosomes is found in the nucleus of each new cell. Indeed, apart from random mutations, each successive duplicate cell will have the same genetic composition as its parent, due to the inheritance of the same chromosome set and similar biological environment. This works well for replacing damaged tissue or for growth and expansion from an embryonic state. Because the genes contained in the duplicate chromosomes are transferred to each successive cellular generation, all mitotic progeny are genetically similar. However, there are exceptions. For example, there are genetic variations that arise in clonal species, such as bacteria, due to spontaneous mutations during mitotic division. Furthermore, chromosomes are sometimes replicated multiple times without any accompanying cell division. This occurs in the cells of Drosophila larvae salivary glands, for example, where there is a high metabolic demand. The chromosomes there are called polytene chromosomes, and they are extremely large compared to chromosomes in other Drosophila cells. These chromosomes replicate by undergoing the initial phases of mitosis without any cytokinesis (Figure 2). Therefore, the same cell contains thick arrangements of duplicate chromosomes side by side, which look like strands of very thick rope. Scientists believe that these chromosomes are hyper-replicated to allow for the rapid and copious production of certain proteins that help larval growth and metamorphosis

Explanation:

hope this helped!

7 0
2 years ago
A model is a representation, substitute, or simplification of what is being studied, but it is also similar to what it represent
Georgia [21]

Answer:

<em>The correct option is b. the model is insufficiently labeled</em>

Explanation:

Models showing certain cycles should clearly show the reactants and the products being formed. They should be able to depict the various changes in the reactants which lead to the formation of the products.

The diagram shown in the picture is a poor depiction for the process of photosynthesis as well as cellular respiration. I does not tell us the products being formed. Like oxygen gas is released during photosynthesis but it is just labelled as gas in the diagram. The sugar being formed is also not named which is glucose.

5 0
3 years ago
Marc checked in to the urgent care with symptoms of fever, sore throat and fatigue. His strep test turned out to be positive. St
nikitadnepr [17]

ANSWER:

Cytokines, Chemokines, Leukocytes, Neutrophils, Macrophages, and Dendritic cells are all involved

EXPLANATION:

On the incidence of Streptococcus, the immune system activates a complex response that relies basically on the instatement and activation of macrophages, neutrophils, and dendritic cells.

These activities will only occur on the activation of innate immune responses through workout between pattern recognition receptors (PRRs) with streptococcus derived pathogen-associated molecular patterns (PAMPs).

Moreso, cytokines and chemokines (well known are IL-1β and CXCL1 respectively) produced by macrophages and dendritic cells on exposure to Streptococcus, elicits neutrophil.

Neutrophils then produces antimicrobial proteins, reactive oxygen species (ROS) and sometimes neutrophil extracellular traps (NETs), all these for the bacterial infection control.

5 0
2 years ago
Help meh plz !!!!!!!!
musickatia [10]
IT WOULD BE 15 CAUSE 10+5 IS 15 AND ITS THE SAME AMOUNT GOING IN AS OUT AND 15 IS GOING OUT SO 15 IS GOING IN.
6 0
3 years ago
Read 2 more answers
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