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scoundrel [369]
4 years ago
6

Maternal iron stores transferred to the fetus during the end stages of pregnancy generally run out by the time an infant is six

months old. iron is important for cognitive development. what is the best source of dietary iron for a 12-month-old child?
Biology
1 answer:
Anna11 [10]4 years ago
4 0
The appropriate response is Iron-fortified breakfast cereal or little measures of lean meat. Invigorated sustenances are nourishments to which additional supplements have been included. Cases of these supplements incorporate vitamin A, B vitamins, vitamin D, folic corrosive, iodine, and iron. The first reason for nourishment stronghold was to diminish the event of supplement inadequacies.
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Which of the following is true about cells?
spayn [35]

Answer:

C.  

In general, prokaryotic cells do not have a true nucleus or membrane-bound organelles, whereas eukaryotic cells contain both a nucleus and organelles enclosed by membranes.

Explanation:

7 0
3 years ago
When magma or melt solidifies it formsrocks. If a pre-existing rock is exposed to extreme heat or pressure its physical properti
Naily [24]

Answer:

When magma solidifies it forms igneous rocks. If a pre-existing rock is exposed to extreme heat or pressure its physical properties can change, forming a metamorphic rock. Rocks derived from the weathered grains of other pre-existing rocks through lithification are sedimentary rocks.

Explanation:

The naturally occurring structure that is formed on the Earth's crust and is composed of a single mineral or an aggregate of several minerals is known as a rock. The classification of rocks on the basis of their formation is igneous rocks, sedimentary rocks, and metamorphic rocks.

Igneous rocks: They are formed by the slow or rapid cooling and then solidification of molten magma on the Earth's crust or seabed. The two types of igneous rocks are intrusive igneous rocks, which contain large crystals formed by the slow cooling of magma below the Earth's surface (granite, gabbro, diorite, pegmatite, etc) and extrusive igneous rocks, which contain small crystals formed by the fast cooling of magma that reached on the Earth's surface (basalt, obsidian, pumice, tuff, etc).

Sedimentary rocks: They are formed by the accumulation and lithification (compaction and cementation of accumulated sediments) of sediments created from the weathering of existing rocks or fragments of minerals and organisms over time. The different types of sedimentary rocks are clastic sedimentary rocks, which are formed from the fragments of other weathering rocks (conglomerate, sandstone, mudstone, siltstone, etc), chemical sedimentary rocks, formed from the dissolved materials precipitated from solution (rock salt, oolitic limestone, gypsum, etc) and organic sedimentary rocks, created from the accumulation of debris formed from plants or animals (limestones, coal, dolomites, etc).

Metamorphic rocks: They are transformed rocks formed from the existing rocks that are subjected to large pressures (regional or dynamic metamorphism) and temperatures (contact or thermal metamorphism). The basic types of metamorphic rocks are foliated metamorphic rocks that have a layered or banded appearance (gneiss, schist, etc) and non-foliated metamorphic rocks that do not have a layered (quartzite, hornfels, marble, etc).

4 0
3 years ago
The branches of the bronchial tree lead to different lobes in the lungs.
Alika [10]

Answer:

True

Explanation:

It is divided into three lobes and each lobe is supplied by one of the secondary bronchi. The left lung is longer and narrower than the right lung.

8 0
3 years ago
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To which group of organic compounds does testosterone belong
andreyandreev [35.5K]

Answer:

17beta-hydroxy steroid

Explanation:

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3 years ago
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A trillium is a plant that grows on the forest floor. During a study, a scientist observed that a trillium blooms much earlier d
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