They are known as Teratogens.
These substances are toxic and they harm the embryo. The harm may be psychological, physiological, or even both. They can come in all forms and even include simple things like alcohol which can cause the Fetal Alcohol spectrum disorder, or they can be complex things like radiation.
B.grass because the mass of ice,rock,dirt is heavy to grass so grass would have the least fraction of surface cost.
This is true. DNA ligase catalyzes phosphodiester bonds. Which occur between the sugar molecules in polynucleotides. Nucleotides are the monomer to DNA, which contain a ribose sugar.. making DNA ligase able to join pieces of DNA together.
Answer:
The mash grass was 0.62 m tall. (Quantitative)
The experimental group was yellow with green spots (Qualitative)
Explanation:
Quantitative= data values are given
