Answer:
A or/and D
Explanation:
Environmental science is the study of how organisms interact with their environment so it can be either a or d. I would say a combination of both.
The correct answer there is an exact compromise between two genes (alleles). <span>The codominance is a form of dominance when the alleles of a gene pair in a heterozygote are both fully expressed. As a result of this, offspring have a phenotype that is neither dominant nor recessive. Example of codominance is found in ABO blood types. When you have allele Ia and allele Ib the expressed blood type is AB.</span>
Uracil (U) is not part of DNA but is part of RNA
Primary growth or lengthening of plants results from mitotic division in cells of the apical meristem tissue. The apical meristem can be found in the top of plants. When the plant divides, it helps to lengthen it. The correct choice is C.
Answer;
-Pure chemical substance and element
Explanation;
-Pure substances are substances that are made of only one type of atom or molecule.A pure substance can be either an element or a compound, but the composition of a pure substance doesn’t vary.
-An element is a pure substance that cannot be broken down into different types of substances by chemical means. All elements are pure substances. An element is composed of a single kind of atom. An atom is the smallest particle of an element that still has all the properties of the element.
-Tungsten is an element and therefore a pure substance.