Answer:
Explanation:the cranial end of the neural tube closes by 24days and the caudal 25-36 days . Defective closure of the neural tube result in neural tube defects (NTDs) . it also depends on the point of the defect , NTDs may also affect the brain and spinal cord.
Answer:
F,T,T,F
Explanation:
1)false-(its a covalent bond)
A water molecule is formed when two atoms of hydrogen bond covalently with an atom of oxygen.
2)True-(water is a polar molecule)
Water is a polar molecule because the positive end attracts particles of negative charge.
3)True
water dissociates to form hydrogen ions (H3O+) and hydroxide (OH-) ions
4)false
Lower pH number means stronger acid, higher pH number means stronger base.
<span>Are mirror images of one another
in science, an enantiomer, otherwise called an optical isomer, where you have two stereoisomers that are perfect representations of each other that are non-superimposable , much as one's left and right hands are the same aside from being turned around along one pivot.</span>
Answer:
Por medio de las hojas, las plantas realizan la fotosíntesis, respiran y producen los alimentos. La respiración se produce durante el día y la noche; para ello, las plantas toman el oxígeno del aire y desprenden dióxido de carbono.
Explanation:
Por medio de las hojas, las plantas realizan la fotosíntesis, respiran y producen los alimentos. La respiración se produce durante el día y la noche; para ello, las plantas toman el oxígeno del aire y desprenden dióxido de carbono.
In earth science, erosion<span> is the action of surface processes (such as water flow or wind) that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location. so the area would experience the most erosion is the area with </span><span>a severe thunderstorm & a dry area with little vegetation because thunderstorm will give so much rain flow and wind since there are little vegetaion, no one will hold the soil together and lessen the impact of water flow</span>
